diff --git a/lib/apply_CHANGES.sh b/lib/apply_CHANGES.sh
index 009d997..92502a3 100755
--- a/lib/apply_CHANGES.sh
+++ b/lib/apply_CHANGES.sh
@@ -74,7 +74,8 @@ to build your new initrd image (all of this will require sudo permissions!)"
 
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    
     apply_CHANGES
 }
 
diff --git a/lib/get_GPU.sh b/lib/get_GPU.sh
index ef2dead..e8a7633 100755
--- a/lib/get_GPU.sh
+++ b/lib/get_GPU.sh
@@ -15,14 +15,14 @@ does not belong to itself. Both cards must also have unique hardware ids [xxxx:y
 Press q to quit
 "
 
-    read -p "Which group number do you want to check?: " IOMMU_GROUP
+    read -r -p "Which group number do you want to check?: " IOMMU_GROUP
 
    case "${IOMMU_GROUP}" in
        [1-9]*)
-            exec "$SCRIPTDIR/lib/get_GPU_GROUP.sh" $IOMMU_GROUP
+            exec "$SCRIPTDIR/lib/get_GPU_GROUP.sh" "$IOMMU_GROUP"
         ;;
        [Qq]*)
-            printf "Aborted, your setup is incomplete!
+            echo "Aborted, your setup is incomplete!
 DO NOT use any of the files from $SCRIPTDIR/config !
 "
         ;;
@@ -33,7 +33,7 @@ DO NOT use any of the files from $SCRIPTDIR/config !
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     get_GPU
 }
diff --git a/lib/get_GPU_GROUP.sh b/lib/get_GPU_GROUP.sh
index 86b851a..f0c1309 100755
--- a/lib/get_GPU_GROUP.sh
+++ b/lib/get_GPU_GROUP.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-function get_GROUP () {
+function get_GPU_GROUP () {
     clear
     # Get the config paths
     source "$SCRIPTDIR/lib/paths.sh"
@@ -58,9 +58,9 @@ USB_CTL_ID=()
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
-    get_GROUP "$1"
+    get_GPU_GROUP "$1"
 }
 
 main "$1"
diff --git a/lib/get_GPU_ROM.sh b/lib/get_GPU_ROM.sh
index 82180e5..568d2af 100755
--- a/lib/get_GPU_ROM.sh
+++ b/lib/get_GPU_ROM.sh
@@ -61,7 +61,7 @@ echo 0 | sudo tee $VBIOS_PATH
 
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     get_GPU_ROM "$1"
 }
diff --git a/lib/get_USB_CTL.sh b/lib/get_USB_CTL.sh
index 4fcc00a..ccda58c 100755
--- a/lib/get_USB_CTL.sh
+++ b/lib/get_USB_CTL.sh
@@ -15,11 +15,11 @@ is only needed if you intend to use other devices than just mouse and keyboard w
 Press q to quit
 "
 
-    read -p "Which group number do you want to check?: " IOMMU_GROUP
+    read -r -p "Which group number do you want to check?: " IOMMU_GROUP
 
    case "${IOMMU_GROUP}" in
        [1-9]*)
-            exec "$SCRIPTDIR/lib/get_USB_CTL_GROUP.sh" $IOMMU_GROUP
+            exec "$SCRIPTDIR/lib/get_USB_CTL_GROUP.sh" "$IOMMU_GROUP"
         ;;
        [Qq]*)
             exec "$SCRIPTDIR/lib/apply_CHANGES.sh"
@@ -31,7 +31,7 @@ Press q to quit
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     get_USB_CTL
 }
diff --git a/lib/get_USB_CTL_GROUP.sh b/lib/get_USB_CTL_GROUP.sh
index ea9de2f..956e9bb 100755
--- a/lib/get_USB_CTL_GROUP.sh
+++ b/lib/get_USB_CTL_GROUP.sh
@@ -20,7 +20,7 @@ To use any of the devices shown for passthrough, all of them have to be passed t
 
 To return to the previous page just press ENTER.
 "
-    read -p "Do you want to use the displayed devices for passthrough? [y/N]: " YESNO
+    read -r -p "Do you want to use the displayed devices for passthrough? [y/N]: " YESNO
 
     case "${YESNO}" in
         [Yy]*)
@@ -39,7 +39,7 @@ To return to the previous page just press ENTER.
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     get_USB_CTL_GROUP $1
 }
diff --git a/lib/set_CMDLINE.sh b/lib/set_CMDLINE.sh
index 5a8e763..9a53365 100755
--- a/lib/set_CMDLINE.sh
+++ b/lib/set_CMDLINE.sh
@@ -170,7 +170,7 @@ function set_CMDLINE () {
 
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
     
     set_CMDLINE
 }
diff --git a/lib/set_INITRAMFSTOOLS.sh b/lib/set_INITRAMFSTOOLS.sh
index 6a06a80..288875d 100755
--- a/lib/set_INITRAMFSTOOLS.sh
+++ b/lib/set_INITRAMFSTOOLS.sh
@@ -59,7 +59,7 @@ function set_INITRAMFSTOOLS () {
 
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     set_INITRAMFSTOOLS "$1"
 }
diff --git a/lib/set_MODPROBE.sh b/lib/set_MODPROBE.sh
index 5f66ebe..c87495c 100755
--- a/lib/set_MODPROBE.sh
+++ b/lib/set_MODPROBE.sh
@@ -29,7 +29,7 @@ softdep radeon pre: vfio vfio_pci
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     set_MODPROBE "$1"
 }
diff --git a/lib/set_VFIO.sh b/lib/set_VFIO.sh
index 3a9f4b6..18da794 100755
--- a/lib/set_VFIO.sh
+++ b/lib/set_VFIO.sh
@@ -13,7 +13,7 @@ function set_VFIO () {
     echo "
 Disabling video output in Linux for the card you want to use in a VM
 will make it easier to successfully do the passthrough without issues."
-    read -p "Do you want to force disable video output in linux on this card? [Y/n]: " DISABLE_VGA
+    read -r -p "Do you want to force disable video output in linux on this card? [Y/n]: " DISABLE_VGA
     case "${DISABLE_VGA}" in
     [Yy]*)
         # Update kernel_args file
@@ -37,7 +37,7 @@ will make it easier to successfully do the passthrough without issues."
 }
 
 function main () {
-    SCRIPTDIR=$(dirname "$(realpath $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
 
     set_VFIO "$1"
 }