diff --git a/Kernel/build-gpt-image-grub.sh b/Kernel/build-gpt-image-grub.sh
index a8a42d82de8..c0f127ebda7 100755
--- a/Kernel/build-gpt-image-grub.sh
+++ b/Kernel/build-gpt-image-grub.sh
@@ -1,19 +1,19 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
 die() {
-    echo "die: $@"
+    echo "die: $*"
     exit 1
 }
 
-if [ $(id -u) != 0 ]; then
+if [ "$(id -u)" != 0 ]; then
     die "this script needs to run as root"
 fi
 
-grub=$(which grub-install 2>/dev/null) || true
-if [[ -z "$grub" ]]; then
-    grub=$(which grub2-install 2>/dev/null) || true
+grub=$(command -v grub-install 2>/dev/null) || true
+if [ -z "$grub" ]; then
+    grub=$(command -v grub2-install 2>/dev/null) || true
 fi
 if [ -z "$grub" ]; then
     echo "can't find a grub-install or grub2-install binary, oh no"
@@ -22,58 +22,58 @@ fi
 echo "using grub-install at ${grub}"
 
 echo "setting up disk image..."
-dd if=/dev/zero of=_disk_image bs=1M count=${DISK_SIZE:-701} status=none || die "couldn't create disk image"
+dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-701}" status=none || die "couldn't create disk image"
 chown 1000:1000 _disk_image || die "couldn't adjust permissions on disk image"
 echo "done"
 
-echo -n "creating loopback device... "
+printf "creating loopback device... "
 dev=$(losetup --find --partscan --show _disk_image)
-if [ -z $dev ]; then
+if [ -z "$dev" ]; then
     die "couldn't mount loopback device"
 fi
 echo "loopback device is at ${dev}"
 
 cleanup() {
     if [ -d mnt ]; then
-        echo -n "unmounting filesystem... "
+        printf "unmounting filesystem... "
         umount mnt || ( sleep 1 && sync && umount mnt )
         rm -rf mnt
         echo "done"
     fi
 
-    if [ -e ${dev} ]; then
-        echo -n "cleaning up loopback device... "
-        losetup -d ${dev}
+    if [ -e "${dev}" ]; then
+        printf "cleaning up loopback device... "
+        losetup -d "${dev}"
         echo "done"
     fi
 }
 trap cleanup EXIT
 
-echo -n "creating partition table... "
-parted -s ${dev} mklabel gpt mkpart BIOSBOOT ext3 1MiB 8MiB mkpart OS ext2 8MiB 700MiB set 1 bios_grub || die "couldn't partition disk"
+printf "creating partition table... "
+parted -s "${dev}" mklabel gpt mkpart BIOSBOOT ext3 1MiB 8MiB mkpart OS ext2 8MiB 700MiB set 1 bios_grub || die "couldn't partition disk"
 echo "done"
 
-echo -n "destroying old filesystem... "
-dd if=/dev/zero of=${dev}p2 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
+printf "destroying old filesystem... "
+dd if=/dev/zero of="${dev}"p2 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
 echo "done"
 
-echo -n "creating new filesystem... "
-mke2fs -q ${dev}p2 || die "couldn't create filesystem"
+printf "creating new filesystem... "
+mke2fs -q "${dev}"p2 || die "couldn't create filesystem"
 echo "done"
 
-echo -n "mounting filesystem... "
+printf "mounting filesystem... "
 mkdir -p mnt
-mount ${dev}p2 mnt/ || die "couldn't mount filesystem"
+mount "${dev}"p2 mnt/ || die "couldn't mount filesystem"
 echo "done"
 
 ./build-root-filesystem.sh
 
-echo -n "creating /boot... "
+printf "creating /boot... "
 mkdir -p mnt/boot
 echo "done"
 
 echo "installing grub using $grub..."
-$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos part_gpt" ${dev}
+$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos part_gpt ${dev}" 
 
 if [ -d mnt/boot/grub2 ]; then
     cp grub_gpt.cfg mnt/boot/grub2/grub.cfg
@@ -82,6 +82,6 @@ else
 fi
 echo "done"
 
-echo -n "installing kernel in /boot... "
+printf "installing kernel in /boot... "
 cp kernel mnt/boot
 echo "done"
diff --git a/Kernel/build-image-grub.sh b/Kernel/build-image-grub.sh
index dc4ca609660..7d79c17ff14 100755
--- a/Kernel/build-image-grub.sh
+++ b/Kernel/build-image-grub.sh
@@ -1,19 +1,19 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
 die() {
-    echo "die: $@"
+    echo "die: $*"
     exit 1
 }
 
-if [ $(id -u) != 0 ]; then
+if [ "$(id -u)" != 0 ]; then
     die "this script needs to run as root"
 fi
 
-grub=$(which grub-install 2>/dev/null) || true
-if [[ -z "$grub" ]]; then
-    grub=$(which grub2-install 2>/dev/null) || true
+grub=$(command -v grub-install 2>/dev/null) || true
+if [ -z "$grub" ]; then
+    grub=$(command -v grub2-install 2>/dev/null) || true
 fi
 if [ -z "$grub" ]; then
     echo "can't find a grub-install or grub2-install binary, oh no"
@@ -22,58 +22,58 @@ fi
 echo "using grub-install at ${grub}"
 
 echo "setting up disk image..."
-dd if=/dev/zero of=_disk_image bs=1M count=${DISK_SIZE:-500} status=none || die "couldn't create disk image"
+dd if=/dev/zero of=_disk_image bs=1M count="${DISK_SIZE:-500}" status=none || die "couldn't create disk image"
 chown 1000:1000 _disk_image || die "couldn't adjust permissions on disk image"
 echo "done"
 
-echo -n "creating loopback device... "
+printf "creating loopback device... "
 dev=$(losetup --find --partscan --show _disk_image)
-if [ -z $dev ]; then
+if [ -z "$dev" ]; then
     die "couldn't mount loopback device"
 fi
 echo "loopback device is at ${dev}"
 
 cleanup() {
     if [ -d mnt ]; then
-        echo -n "unmounting filesystem... "
+        printf "unmounting filesystem... "
         umount mnt || ( sleep 1 && sync && umount mnt )
         rm -rf mnt
         echo "done"
     fi
 
-    if [ -e ${dev} ]; then
-        echo -n "cleaning up loopback device... "
-        losetup -d ${dev}
+    if [ -e "${dev}" ]; then
+        printf "cleaning up loopback device... "
+        losetup -d "${dev}"
         echo "done"
     fi
 }
 trap cleanup EXIT
 
-echo -n "creating partition table... "
-parted -s ${dev} mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
+printf "creating partition table... "
+parted -s "${dev}" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on || die "couldn't partition disk"
 echo "done"
 
-echo -n "destroying old filesystem... "
-dd if=/dev/zero of=${dev}p1 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
+printf "destroying old filesystem... "
+dd if=/dev/zero of="${dev}"p1 bs=1M count=1 status=none || die "couldn't destroy old filesystem"
 echo "done"
 
-echo -n "creating new filesystem... "
-mke2fs -q -I 128 ${dev}p1 || die "couldn't create filesystem"
+printf "creating new filesystem... "
+mke2fs -q -I 128 "${dev}"p1 || die "couldn't create filesystem"
 echo "done"
 
-echo -n "mounting filesystem... "
+printf "mounting filesystem... "
 mkdir -p mnt
-mount ${dev}p1 mnt/ || die "couldn't mount filesystem"
+mount "${dev}"p1 mnt/ || die "couldn't mount filesystem"
 echo "done"
 
 ./build-root-filesystem.sh
 
-echo -n "creating /boot... "
+printf "creating /boot... "
 mkdir -p mnt/boot
 echo "done"
 
 echo "installing grub using $grub..."
-$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos" ${dev}
+$grub --boot-directory=mnt/boot --target=i386-pc --modules="ext2 part_msdos ${dev}"
 
 if [ -d mnt/boot/grub2 ]; then
     cp grub.cfg mnt/boot/grub2/grub.cfg
@@ -82,6 +82,6 @@ else
 fi
 echo "done"
 
-echo -n "installing kernel in /boot... "
+printf "installing kernel in /boot... "
 cp kernel mnt/boot
 echo "done"
diff --git a/Kernel/build-image-qemu.sh b/Kernel/build-image-qemu.sh
index 492293a068b..22bf2b80d8d 100755
--- a/Kernel/build-image-qemu.sh
+++ b/Kernel/build-image-qemu.sh
@@ -1,33 +1,33 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
 die() {
-    echo "die: $@"
+    echo "die: $*"
     exit 1
 }
 
-if [ $(id -u) != 0 ]; then
+if [ "$(id -u)" != 0 ]; then
     die "this script needs to run as root"
 fi
 
 echo "setting up disk image..."
-qemu-img create _disk_image ${DISK_SIZE:-500}m || die "couldn't create disk image"
-chown $build_user:$build_group _disk_image || die "couldn't adjust permissions on disk image"
+qemu-img create _disk_image "${DISK_SIZE:-500}"m || die "couldn't create disk image"
+chown "$build_user":"$build_group" _disk_image || die "couldn't adjust permissions on disk image"
 echo "done"
 
-echo -n "creating new filesystem... "
+printf "creating new filesystem... "
 mke2fs -q -I 128 _disk_image || die "couldn't create filesystem"
 echo "done"
 
-echo -n "mounting filesystem... "
+printf "mounting filesystem... "
 mkdir -p mnt
 mount _disk_image mnt/ || die "couldn't mount filesystem"
 echo "done"
 
 cleanup() {
     if [ -d mnt ]; then
-        echo -n "unmounting filesystem... "
+        printf "unmounting filesystem... "
         umount mnt || ( sleep 1 && sync && umount mnt )
         rm -rf mnt
         echo "done"
diff --git a/Kernel/build-root-filesystem.sh b/Kernel/build-root-filesystem.sh
index c05867e1cd3..6c42abed54b 100755
--- a/Kernel/build-root-filesystem.sh
+++ b/Kernel/build-root-filesystem.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
@@ -6,20 +6,22 @@ set -e
 rm -f ../Userland/qs
 
 die() {
-    echo "die: $@"
+    echo "die: $*"
     exit 1
 }
 
-if [ $(id -u) != 0 ]; then
+if [ "$(id -u)" != 0 ]; then
     die "this script needs to run as root"
 fi
 
-echo -n "creating initial filesystem structure... "
-mkdir -p mnt/{bin,etc,proc,mnt,tmp}
+printf "creating initial filesystem structure... "
+for dir in bin etc proc mnt tmp; do
+    mkdir -p mnt/$dir
+done
 chmod 1777 mnt/tmp
 echo "done"
 
-echo -n "setting up device nodes... "
+printf "setting up device nodes... "
 mkdir -p mnt/dev
 mkdir -p mnt/dev/pts
 mknod -m 666 mnt/dev/fb0 b 29 0
@@ -49,13 +51,13 @@ ln -s /proc/self/fd/1 mnt/dev/stdout
 ln -s /proc/self/fd/2 mnt/dev/stderr
 echo "done"
 
-echo -n "installing base system... "
+printf "installing base system... "
 cp -R ../Base/* mnt/
 cp -R ../Root/* mnt/
 cp kernel.map mnt/
 echo "done"
 
-echo -n "installing users... "
+printf "installing users... "
 mkdir -p mnt/home/anon
 mkdir -p mnt/home/nona
 cp ../ReadMe.md mnt/home/anon/
@@ -63,12 +65,12 @@ chown -R 100:100 mnt/home/anon
 chown -R 200:200 mnt/home/nona
 echo "done"
 
-echo -n "installing userland... "
+printf "installing userland... "
 find ../Userland/ -type f -executable -exec cp {} mnt/bin/ \;
 chmod 4755 mnt/bin/su
 echo "done"
 
-echo -n "installing applications... "
+printf "installing applications... "
 cp ../Applications/About/About mnt/bin/About
 cp ../Applications/Downloader/Downloader mnt/bin/Downloader
 cp ../Applications/FileManager/FileManager mnt/bin/FileManager
@@ -110,7 +112,7 @@ cp ../Servers/TelnetServer/TelnetServer mnt/bin/TelnetServer
 cp ../Shell/Shell mnt/bin/Shell
 echo "done"
 
-echo -n "installing shortcuts... "
+printf "installing shortcuts... "
 ln -s Downloader mnt/bin/dl
 ln -s FileManager mnt/bin/fm
 ln -s HelloWorld mnt/bin/hw
diff --git a/Kernel/install.sh b/Kernel/install.sh
index 46c09473b25..31e02cc7e65 100755
--- a/Kernel/install.sh
+++ b/Kernel/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 mkdir -p ../Root/usr/include/Kernel/
-cp *.h ../Root/usr/include/Kernel/
+cp ./*.h ../Root/usr/include/Kernel/
diff --git a/Kernel/makeall.sh b/Kernel/makeall.sh
index 43ebc365d85..69c4cf8b355 100755
--- a/Kernel/makeall.sh
+++ b/Kernel/makeall.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 
 # Get user and group details for setting qemu disk image ownership
diff --git a/Kernel/sync.sh b/Kernel/sync.sh
index e6114e7bd11..7ccd9b2e6f6 100755
--- a/Kernel/sync.sh
+++ b/Kernel/sync.sh
@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/bin/sh
 
 ./build-image-qemu.sh
diff --git a/Libraries/LibC/install.sh b/Libraries/LibC/install.sh
index 713af280943..cd28e108540 100755
--- a/Libraries/LibC/install.sh
+++ b/Libraries/LibC/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
@@ -8,7 +8,7 @@ mkdir -p $SERENITY_ROOT/Root/usr/include/bits/
 mkdir -p $SERENITY_ROOT/Root/usr/include/netinet/
 mkdir -p $SERENITY_ROOT/Root/usr/include/arpa/
 mkdir -p $SERENITY_ROOT/Root/usr/lib/
-cp *.h $SERENITY_ROOT/Root/usr/include/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/
 cp sys/*.h $SERENITY_ROOT/Root/usr/include/sys/
 cp bits/*.h $SERENITY_ROOT/Root/usr/include/bits/
 cp arpa/*.h $SERENITY_ROOT/Root/usr/include/arpa/
diff --git a/Libraries/LibCore/install.sh b/Libraries/LibCore/install.sh
index b7cdd1bb734..f9097615cb3 100755
--- a/Libraries/LibCore/install.sh
+++ b/Libraries/LibCore/install.sh
@@ -4,5 +4,5 @@ set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibCore/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibCore/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibCore/
 cp libcore.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Libraries/LibDraw/install.sh b/Libraries/LibDraw/install.sh
index d1c4e0a4aec..76354671fe3 100755
--- a/Libraries/LibDraw/install.sh
+++ b/Libraries/LibDraw/install.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibDraw/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibDraw/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibDraw/
 cp libdraw.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Libraries/LibGUI/install.sh b/Libraries/LibGUI/install.sh
index 8b7833c51d2..d55a120bf9a 100755
--- a/Libraries/LibGUI/install.sh
+++ b/Libraries/LibGUI/install.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibGUI/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibGUI/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibGUI/
 cp libgui.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Libraries/LibHTML/Scripts/GenerateStyleSheetSource.sh b/Libraries/LibHTML/Scripts/GenerateStyleSheetSource.sh
index 4bea749e049..68140bc5a56 100755
--- a/Libraries/LibHTML/Scripts/GenerateStyleSheetSource.sh
+++ b/Libraries/LibHTML/Scripts/GenerateStyleSheetSource.sh
@@ -1,10 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 
 echo "extern const char $1[];"
 echo "const char $1[] = \"\\"
-IFS=$'\n'
-for line in $(cat $2); do
-    echo $line"\\"
+grep -v '^ *#' < "$2" | while IFS= read -r line; do
+  echo "$line""\\"
 done
 echo "\";"
-
diff --git a/Libraries/LibIPC/install.sh b/Libraries/LibIPC/install.sh
index c7324e2fd91..e733b1a738e 100755
--- a/Libraries/LibIPC/install.sh
+++ b/Libraries/LibIPC/install.sh
@@ -1,7 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibIPC/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibIPC/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibIPC/
diff --git a/Libraries/LibM/install.sh b/Libraries/LibM/install.sh
index b74cecdd2c1..827d31e385c 100755
--- a/Libraries/LibM/install.sh
+++ b/Libraries/LibM/install.sh
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/sys/
 mkdir -p $SERENITY_ROOT/Root/usr/lib/
-cp *.h $SERENITY_ROOT/Root/usr/include/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/
 cp libm.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Libraries/LibPCIDB/install.sh b/Libraries/LibPCIDB/install.sh
index 16019bc702f..da4f78a4aa5 100755
--- a/Libraries/LibPCIDB/install.sh
+++ b/Libraries/LibPCIDB/install.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibPCIDB/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibPCIDB/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibPCIDB/
 cp libpcidb.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Libraries/LibThread/install.sh b/Libraries/LibThread/install.sh
index fe723c94e9e..3044ca1b63c 100755
--- a/Libraries/LibThread/install.sh
+++ b/Libraries/LibThread/install.sh
@@ -4,5 +4,5 @@ set -e
 SERENITY_ROOT=../../
 
 mkdir -p $SERENITY_ROOT/Root/usr/include/LibThread/
-cp *.h $SERENITY_ROOT/Root/usr/include/LibThread/
+cp ./*.h $SERENITY_ROOT/Root/usr/include/LibThread/
 cp libthread.a $SERENITY_ROOT/Root/usr/lib/
diff --git a/Meta/refresh-serenity-qtcreator.sh b/Meta/refresh-serenity-qtcreator.sh
index 2829ef6b7b4..d50cc13dc5e 100755
--- a/Meta/refresh-serenity-qtcreator.sh
+++ b/Meta/refresh-serenity-qtcreator.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
-cd $SERENITY_ROOT
+cd "$SERENITY_ROOT" || exit 1
 find . -name '*.ipc' -or -name '*.cpp' -or -name '*.h' -or -name '*.S' -or -name '*.css' | grep -Fv Patches/ | grep -Fv Root/ | grep -Fv Ports/ | grep -Fv Toolchain/ | grep -Fv Base/ > serenity.files
diff --git a/Ports/.port_include.sh b/Ports/.port_include.sh
index 07ed859212f..c3a3b1fc212 100755
--- a/Ports/.port_include.sh
+++ b/Ports/.port_include.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+
+# This file will need to be run in bash, for now.
+
 if [ -z "$SERENITY_ROOT" ]; then
     echo "You must source UseIt.sh to build ports."
     exit 1
@@ -30,19 +33,19 @@ run() {
     (cd "$workdir" && "$@")
 }
 run_replace_in_file(){
-    run perl -p -i -e "$1" $2
+    run perl -p -i -e "$1" "$2"
 }
 # Checks if a function is defined. In this case, if the function is not defined in the port's script, then we will use our defaults. This way, ports don't need to include these functions every time, but they can override our defaults if needed.
 func_defined() {
-    PATH= command -V "$1"  > /dev/null 2>&1
+    PATH=$(command -V "$1"  > /dev/null 2>&1)
 }
 func_defined fetch || fetch() {
     OLDIFS=$IFS
     IFS=$'\n'
     for f in $files; do
         IFS=$OLDIFS
-        read url filename <<< $(echo "$f")
-        run_nocd curl ${curlopts:-} "$url" -o "$filename"
+        read url filename <<< "$(echo $f)"
+        run_nocd curl "${curlopts:-}" "$url" -o "$filename"
         case "$filename" in
             *.tar*|.tbz*|*.txz|*.tgz)
                 run_nocd tar xf "$filename"
@@ -65,13 +68,13 @@ func_defined configure || configure() {
     run ./"$configscript" --host=i686-pc-serenity $configopts
 }
 func_defined build || build() {
-    run make $makeopts
+    run make "$makeopts"
 }
 func_defined install || install() {
     run make DESTDIR="$SERENITY_ROOT"/Root $installopts install
 }
 func_defined clean || clean() {
-    rm -rf "$workdir" *.out
+    rm -rf "$workdir" -- *.out
 }
 func_defined clean_dist || clean_dist() {
     OLDIFS=$IFS
@@ -83,7 +86,7 @@ func_defined clean_dist || clean_dist() {
     done
 }
 func_defined clean_all || clean_all() {
-    rm -rf "$workdir" *.out
+    rm -rf "$workdir" -- *.out
     OLDIFS=$IFS
     IFS=$'\n'
     for f in $files; do
@@ -103,7 +106,7 @@ addtodb() {
             echo "auto $port $version" >> "$prefix"/packages.db
         else
             echo "manual $port $version" >> "$prefix"/packages.db
-            if [ ! -z "${dependlist:-}" ]; then
+            if [ -n "${dependlist:-}" ]; then
                 echo "dependency $port$dependlist" >> "$prefix/packages.db"
             fi
         fi
@@ -194,10 +197,10 @@ if [ -z "${1:-}" ]; then
 else
     case "$1" in
         fetch|configure|build|install|clean|clean_dist|clean_all|uninstall)
-            do_$1
+            do_"$1"
             ;;
         --auto)
-            do_all $1
+            do_all "$1"
             ;;
         *)
             >&2 echo "I don't understand $1! Supported arguments: fetch, configure, build, install, clean, clean_dist, clean_all, uninstall."
diff --git a/Ports/SDL2/package.sh b/Ports/SDL2/package.sh
index a1a2c0a8f49..0e9018ab947 100755
--- a/Ports/SDL2/package.sh
+++ b/Ports/SDL2/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=SDL2
 version=serenity-git
 workdir=SDL-master-serenity
@@ -8,5 +8,5 @@ files="https://github.com/SerenityOS/SDL/archive/master-serenity.tar.gz SDL2-git
 configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMakeToolchain.txt -DPULSEAUDIO=OFF"
 
 configure() {
-    run cmake $configopts
+    run cmake "$configopts"
 }
diff --git a/Ports/bash/package.sh b/Ports/bash/package.sh
index 56daeb313fb..f378c32945a 100755
--- a/Ports/bash/package.sh
+++ b/Ports/bash/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=bash
 version=5.0
 useconfigure=true
@@ -8,5 +8,5 @@ files="https://ftp.gnu.org/gnu/bash/bash-5.0.tar.gz bash-5.0.tar.gz"
 build() {
     run_replace_in_file "s/define GETCWD_BROKEN 1/undef GETCWD_BROKEN/" config.h
     run_replace_in_file "s/define CAN_REDEFINE_GETENV 1/undef CAN_REDEFINE_GETENV/" config.h
-    run make $makeopts
+    run make "$makeopts"
 }
diff --git a/Ports/binutils/package.sh b/Ports/binutils/package.sh
index 7bd21d6dd85..cbf25317107 100755
--- a/Ports/binutils/package.sh
+++ b/Ports/binutils/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=binutils
 version=2.32
 useconfigure=true
diff --git a/Ports/curl/package.sh b/Ports/curl/package.sh
index 0928376f716..506b8ba4239 100755
--- a/Ports/curl/package.sh
+++ b/Ports/curl/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=curl
 version=7.65.3
 useconfigure=true
diff --git a/Ports/doom/package.sh b/Ports/doom/package.sh
index a58e8778c29..4efcb070430 100755
--- a/Ports/doom/package.sh
+++ b/Ports/doom/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=doom
 workdir=SerenityDOOM-master
 version=serenity-git
diff --git a/Ports/figlet/package.sh b/Ports/figlet/package.sh
index a971e021426..2aa1829ad79 100755
--- a/Ports/figlet/package.sh
+++ b/Ports/figlet/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=figlet
 version=2.2.5
 files="http://ftp.figlet.org/pub/figlet/program/unix/figlet-2.2.5.tar.gz figlet-2.2.5.tar.gz"
diff --git a/Ports/gcc/package.sh b/Ports/gcc/package.sh
index 9b9df8f3076..237a6847fb6 100755
--- a/Ports/gcc/package.sh
+++ b/Ports/gcc/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=gcc
 version=8.3.0
 useconfigure=true
@@ -18,10 +18,10 @@ fetch() {
     done
 }
 build() {
-    run make $makeopts
+    run make "$makeopts"
     run find ./host-i686-pc-serenity/gcc/ -maxdepth 1 -type f -executable -exec strip --strip-debug {} \; || echo
 }
 
 install() {
-    run make $installopts
+    run make "$installopts"
 }
diff --git a/Ports/less/package.sh b/Ports/less/package.sh
index 2cb55c6142c..9fa9b2579a6 100755
--- a/Ports/less/package.sh
+++ b/Ports/less/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=less
 version=530
 useconfigure="true"
diff --git a/Ports/libarchive/package.sh b/Ports/libarchive/package.sh
index c6c41e7886f..6573d0f0d0e 100755
--- a/Ports/libarchive/package.sh
+++ b/Ports/libarchive/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=libarchive
 version=3.4.0
 useconfigure=true
diff --git a/Ports/libexpat/package.sh b/Ports/libexpat/package.sh
index 68c9d14695d..4ee86a10570 100755
--- a/Ports/libexpat/package.sh
+++ b/Ports/libexpat/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=libexpat
 version=2.2.9
 useconfigure=true
diff --git a/Ports/libiconv/package.sh b/Ports/libiconv/package.sh
index d4a5c58b27e..99b0a59ff49 100755
--- a/Ports/libiconv/package.sh
+++ b/Ports/libiconv/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=libiconv
 version=1.16
 useconfigure=true
diff --git a/Ports/links/package.sh b/Ports/links/package.sh
index 8fa6af3d405..5916ab2b893 100755
--- a/Ports/links/package.sh
+++ b/Ports/links/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=links
 version=2.19
 useconfigure=true
diff --git a/Ports/lua/package.sh b/Ports/lua/package.sh
index 897cec6fcf1..578dfa4ac1e 100755
--- a/Ports/lua/package.sh
+++ b/Ports/lua/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=lua
 version=5.3.5
 files="http://www.lua.org/ftp/lua-5.3.5.tar.gz lua-5.3.5.tar.gz"
diff --git a/Ports/make/package.sh b/Ports/make/package.sh
index 57c22af21b5..50feed23d37 100755
--- a/Ports/make/package.sh
+++ b/Ports/make/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=make
 version=4.2.1
 useconfigure=true
diff --git a/Ports/mbedtls/package.sh b/Ports/mbedtls/package.sh
index ab8b74081ec..af95825dac8 100755
--- a/Ports/mbedtls/package.sh
+++ b/Ports/mbedtls/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=mbedtls
 version=2.16.2
 files="https://tls.mbed.org/download/mbedtls-2.16.2-apache.tgz mbedtls-2.16.2-apache.tgz"
diff --git a/Ports/ncurses/package.sh b/Ports/ncurses/package.sh
index 13b2901a98e..463f4500706 100755
--- a/Ports/ncurses/package.sh
+++ b/Ports/ncurses/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=ncurses
 version=git
 workdir=ncurses-master
diff --git a/Ports/nyancat/package.sh b/Ports/nyancat/package.sh
index fea6a59ea96..2c4512f305f 100755
--- a/Ports/nyancat/package.sh
+++ b/Ports/nyancat/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=nyancat
 version=git
 workdir=nyancat-master
diff --git a/Ports/quake/package.sh b/Ports/quake/package.sh
index 91326e430e4..356d067749d 100755
--- a/Ports/quake/package.sh
+++ b/Ports/quake/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=quake
 version=0.65
 workdir=SerenityQuake-master
diff --git a/Ports/tinycc/package.sh b/Ports/tinycc/package.sh
index 7722431730e..4208f96f415 100755
--- a/Ports/tinycc/package.sh
+++ b/Ports/tinycc/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=tinycc
 workdir=tinycc-dev
 version=dev
diff --git a/Ports/vim/package.sh b/Ports/vim/package.sh
index 6843e000474..475e9c74d7b 100755
--- a/Ports/vim/package.sh
+++ b/Ports/vim/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=vim
 version=git
 workdir=vim-master
diff --git a/Ports/zlib/package.sh b/Ports/zlib/package.sh
index 04f2a62de86..e923feca167 100755
--- a/Ports/zlib/package.sh
+++ b/Ports/zlib/package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash ../.port_include.sh
+#!/bin/sh ../.port_include.sh
 port=zlib
 version=1.2.11
 useconfigure=true
diff --git a/Servers/SystemServer/install.sh b/Servers/SystemServer/install.sh
index 2e3c1d65c41..63e656cf95e 100755
--- a/Servers/SystemServer/install.sh
+++ b/Servers/SystemServer/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #mkdir -p ../../Root/usr/include/SystemServer/
 #cp *.h ../../Root/usr/include/SystemServer/
diff --git a/Servers/WindowServer/install.sh b/Servers/WindowServer/install.sh
index 27a3a583be5..69f5176260e 100755
--- a/Servers/WindowServer/install.sh
+++ b/Servers/WindowServer/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 mkdir -p ../../Root/usr/include/WindowServer/
-cp *.h ../../Root/usr/include/WindowServer/
+cp ./*.h ../../Root/usr/include/WindowServer/
diff --git a/Toolchain/BuildIt.sh b/Toolchain/BuildIt.sh
index b86c72fd7c2..5fa99753815 100755
--- a/Toolchain/BuildIt.sh
+++ b/Toolchain/BuildIt.sh
@@ -1,16 +1,18 @@
 #!/bin/bash
 set -e
 
+# This file will need to be run in bash, for now.
+
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-echo $DIR
+echo "$DIR"
 
 TARGET=i686-pc-serenity
 PREFIX="$DIR/Local"
 SYSROOT="$DIR/../Root"
 
-echo PREFIX is $PREFIX
-echo SYSROOT is $SYSROOT
+echo PREFIX is "$PREFIX"
+echo SYSROOT is "$SYSROOT"
 
 mkdir -p "$DIR/Tarballs"
 
@@ -40,7 +42,7 @@ pushd "$DIR/Tarballs"
         tar -xf "binutils-2.32.tar.gz"
 
         pushd "binutils-2.32"
-            patch -p1 < $DIR/Patches/binutils.patch > /dev/null
+            patch -p1 < "$DIR"/Patches/binutils.patch > /dev/null
         popd
     else
         echo "Skipped extracting binutils"
@@ -51,14 +53,14 @@ pushd "$DIR/Tarballs"
         tar -xf "gcc-8.3.0.tar.gz"
 
         pushd "gcc-8.3.0"
-            patch -p1 < $DIR/Patches/gcc.patch > /dev/null
+            patch -p1 < "$DIR"/Patches/gcc.patch > /dev/null
         popd
     else
         echo "Skipped extracting gcc"
     fi
 popd
 
-mkdir -p $PREFIX
+mkdir -p "$PREFIX"
 
 mkdir -p "$DIR/Build/binutils"
 mkdir -p "$DIR/Build/gcc"
@@ -71,24 +73,24 @@ pushd "$DIR/Build/"
     unset PKG_CONFIG_LIBDIR # Just in case
 
     pushd binutils
-        $DIR/Tarballs/binutils-2.32/configure --prefix=$PREFIX \
-                                              --target=$TARGET \
-                                              --with-sysroot=$SYSROOT \
+        "$DIR"/Tarballs/binutils-2.32/configure --prefix="$PREFIX" \
+                                              --target="$TARGET" \
+                                              --with-sysroot="$SYSROOT" \
                                               --disable-nls || exit 1
-        make -j $MAKEJOBS || exit 1
+        make -j "$MAKEJOBS" || exit 1
         make install || exit 1
     popd
 
     pushd gcc
-        $DIR/Tarballs/gcc-8.3.0/configure --prefix=$PREFIX \
-                                          --target=$TARGET \
-                                          --with-sysroot=$SYSROOT \
+        "$DIR"/Tarballs/gcc-8.3.0/configure --prefix="$PREFIX" \
+                                          --target="$TARGET" \
+                                          --with-sysroot="$SYSROOT" \
                                           --disable-nls \
                                           --with-newlib \
                                           --enable-languages=c,c++ || exit 1
 
         echo "XXX build gcc and libgcc"
-        make -j $MAKEJOBS all-gcc all-target-libgcc || exit 1
+        make -j "$MAKEJOBS" all-gcc all-target-libgcc || exit 1
         echo "XXX install gcc and libgcc"
         make install-gcc install-target-libgcc || exit 1
 
diff --git a/Toolchain/UseIt.sh b/Toolchain/UseIt.sh
index 991b7de0e1a..94b56f9e4fb 100644
--- a/Toolchain/UseIt.sh
+++ b/Toolchain/UseIt.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+
+# This file will need to be run in bash, for now.
+
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 export PATH="$DIR/Local/bin:$PATH"
 export TOOLCHAIN="$DIR"