diff --git a/data/cadence b/data/cadence
index c16d8a3..50d2ae4 100755
--- a/data/cadence
+++ b/data/cadence
@@ -1,16 +1,16 @@
-#!/bin/bash
+#!/bin/sh
 
 # Check if already running
 
-PROCS=`ps -f -u $USER | grep /share/cadence/src/cadence.py | grep python`
+PROCS=$(ps -f -u $USER | grep /share/cadence/src/cadence.py | grep python)
 
 if [ x"$PROCS" != x"" ]; then
 
   # One instance only
-  PROC=`echo "$PROCS" | head -n 1`
+  PROC=$(echo "$PROCS" | head -n 1)
 
   # Get PID
-  PID=`echo "$PROC" | awk '{printf$2}'`
+  PID=$(echo "$PROC" | awk '{printf$2}')
 
   # Last check, just to make sure
   if [ x"$PID" != x"" ]; then
diff --git a/data/cadence-aloop-daemon b/data/cadence-aloop-daemon
index 9cc5851..2975c1d 100755
--- a/data/cadence-aloop-daemon
+++ b/data/cadence-aloop-daemon
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ -f /usr/bin/python3 ]; then
   PYTHON=/usr/bin/python3
diff --git a/data/cadence-jacksettings b/data/cadence-jacksettings
index b1ca676..d562bc7 100755
--- a/data/cadence-jacksettings
+++ b/data/cadence-jacksettings
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ -f /usr/bin/python3 ]; then
   PYTHON=/usr/bin/python3
diff --git a/data/cadence-logs b/data/cadence-logs
index 27cd3c3..34cae80 100755
--- a/data/cadence-logs
+++ b/data/cadence-logs
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ -f /usr/bin/python3 ]; then
   PYTHON=/usr/bin/python3
diff --git a/data/cadence-pulse2jack b/data/cadence-pulse2jack
index 5266cb9..038e1a0 100755
--- a/data/cadence-pulse2jack
+++ b/data/cadence-pulse2jack
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Script to bridge/start pulseaudio into JACK mode
 
 INSTALL_PREFIX="X-PREFIX-X"
@@ -12,7 +12,7 @@ fi
 if [ ! -f ~/.pulse/client.conf ]; then
     echo "autospawn = no" > ~/.pulse/client.conf
 else
-    if (! cat ~/.pulse/client.conf | grep "autospawn = no" > /dev/null); then
+    if ! grep "autospawn = no" < ~/.pulse/client.conf > /dev/null; then
         sed -i '/autospawn =/d' ~/.pulse/client.conf
         echo "autospawn = no" >> ~/.pulse/client.conf
     fi
@@ -24,19 +24,19 @@ if [ ! -f ~/.pulse/daemon.conf ]; then
     echo "rlimit-rttime = -1" >> ~/.pulse/daemon.conf
     echo "exit-idle-time = -1" >> ~/.pulse/daemon.conf
 else
-    if (! cat ~/.pulse/daemon.conf | grep "default-sample-format = float32le" > /dev/null); then
+    if ! grep "default-sample-format = float32le" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/default-sample-format = /d' ~/.pulse/daemon.conf
         echo "default-sample-format = float32le" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "realtime-scheduling = yes" > /dev/null); then
+    if ! grep "realtime-scheduling = yes" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/realtime-scheduling = /d' ~/.pulse/daemon.conf
         echo "realtime-scheduling = yes" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "rlimit-rttime = -1" > /dev/null); then
+    if ! grep "rlimit-rttime = -1" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/rlimit-rttime =/d' ~/.pulse/daemon.conf
         echo "rlimit-rttime = -1" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "exit-idle-time = -1" > /dev/null); then
+    if ! grep "exit-idle-time = -1" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/exit-idle-time =/d' ~/.pulse/daemon.conf
         echo "exit-idle-time = -1" >> ~/.pulse/daemon.conf
     fi
@@ -80,8 +80,8 @@ esac
 
 IsPulseAudioRunning()
 {
-    PROCESS=`ps -u $USER | grep pulseaudio`
-    if [ "$PROCESS" == "" ]; then
+    PROCESS=$(ps -u $USER | grep pulseaudio)
+    if [ "$PROCESS" = "" ]; then
         false
     else
         true
@@ -90,7 +90,7 @@ IsPulseAudioRunning()
 
 if (IsPulseAudioRunning); then
 {
-    if (`jack_lsp | grep "PulseAudio JACK Sink:" > /dev/null`); then
+    if jack_lsp | grep "PulseAudio JACK Sink:" > /dev/null; then
     {
         echo "PulseAudio is already running and bridged to JACK"
     }
@@ -98,7 +98,7 @@ if (IsPulseAudioRunning); then
     {
         echo "PulseAudio is already running, bridge it..."
 
-        if [ "$PLAY_ONLY" == "yes" ]; then
+        if [ "$PLAY_ONLY" = "yes" ]; then
         {
             pactl load-module module-jack-sink > /dev/null
             pacmd set-default-source jack_in > /dev/null
@@ -118,7 +118,7 @@ if (IsPulseAudioRunning); then
 }
 else
 {
-    if (`pulseaudio --daemonize --high-priority --realtime --exit-idle-time=-1 --file=$FILE -n`); then
+    if pulseaudio --daemonize --high-priority --realtime --exit-idle-time=-1 --file=$FILE -n > /dev/null 2>&1; then
         echo "Initiated PulseAudio successfully!"
     else
         echo "Failed to initialize PulseAudio!"
diff --git a/data/cadence-pulse2loopback b/data/cadence-pulse2loopback
index 9232346..1778fb3 100755
--- a/data/cadence-pulse2loopback
+++ b/data/cadence-pulse2loopback
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Script to bridge/start pulseaudio into loopback mode
 
 INSTALL_PREFIX="X-PREFIX-X"
@@ -12,7 +12,7 @@ fi
 if [ ! -f ~/.pulse/client.conf ]; then
     echo "autospawn = no" > ~/.pulse/client.conf
 else
-    if (! cat ~/.pulse/client.conf | grep "autospawn = no" > /dev/null); then
+    if ! grep "autospawn = no" < ~/.pulse/client.conf > /dev/null; then
         sed -i '/autospawn =/d' ~/.pulse/client.conf
         echo "autospawn = no" >> ~/.pulse/client.conf
     fi
@@ -24,19 +24,19 @@ if [ ! -f ~/.pulse/daemon.conf ]; then
     echo "rlimit-rttime = -1" >> ~/.pulse/daemon.conf
     echo "exit-idle-time = -1" >> ~/.pulse/daemon.conf
 else
-    if (! cat ~/.pulse/daemon.conf | grep "default-sample-format = float32le" > /dev/null); then
+    if ! grep "default-sample-format = float32le" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/default-sample-format = /d' ~/.pulse/daemon.conf
         echo "default-sample-format = float32le" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "realtime-scheduling = yes" > /dev/null); then
+    if ! grep "realtime-scheduling = yes" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/realtime-scheduling = /d' ~/.pulse/daemon.conf
         echo "realtime-scheduling = yes" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "rlimit-rttime = -1" > /dev/null); then
+    if ! grep "rlimit-rttime = -1" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/rlimit-rttime =/d' ~/.pulse/daemon.conf
         echo "rlimit-rttime = -1" >> ~/.pulse/daemon.conf
     fi
-    if (! cat ~/.pulse/daemon.conf | grep "exit-idle-time = -1" > /dev/null); then
+    if ! grep "exit-idle-time = -1" < ~/.pulse/daemon.conf > /dev/null; then
         sed -i '/exit-idle-time =/d' ~/.pulse/daemon.conf
         echo "exit-idle-time = -1" >> ~/.pulse/daemon.conf
     fi
@@ -77,8 +77,8 @@ esac
 
 IsPulseAudioRunning()
 {
-    PROCESS=`ps -u $USER | grep pulseaudio`
-    if [ "$PROCESS" == "" ]; then
+    PROCESS=$(ps -u $USER | grep pulseaudio)
+    if [ "$PROCESS" = "" ]; then
         false
     else
         true
@@ -98,7 +98,7 @@ if (IsPulseAudioRunning); then
 }
 else
 {
-    if (`pulseaudio --daemonize --high-priority --realtime --exit-idle-time=-1 --file=$FILE -n`); then
+    if pulseaudio --daemonize --high-priority --realtime --exit-idle-time=-1 --file=$FILE -n > /dev/null 2>&1; then
         echo "Initiated PulseAudio successfully!"
     else
         echo "Failed to initialize PulseAudio!"
diff --git a/data/cadence-render b/data/cadence-render
index 7a70122..8fe32e6 100755
--- a/data/cadence-render
+++ b/data/cadence-render
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ -f /usr/bin/python3 ]; then
   PYTHON=/usr/bin/python3
diff --git a/data/cadence-session-start b/data/cadence-session-start
index bf35e68..51b1c9b 100755
--- a/data/cadence-session-start
+++ b/data/cadence-session-start
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ -f /usr/bin/python3 ]; then
   PYTHON=/usr/bin/python3
@@ -8,7 +8,7 @@ fi
 
 INSTALL_PREFIX="X-PREFIX-X"
 
-if [ "$1"x == "--system-start-by-x11-startup"x ]; then
+if [ "$1"x = "--system-start-by-x11-startup"x ]; then
   # called via $STARTUP in 21cadence-session-inject
   $PYTHON $INSTALL_PREFIX/share/cadence/src/cadence_session_start.py --system-start &
   shift
@@ -17,7 +17,7 @@ if [ "$1"x == "--system-start-by-x11-startup"x ]; then
   else
     exec x-session-manager
   fi
-elif [ "$1"x == "--maybe-system-start"x ]; then
+elif [ "$1"x = "--maybe-system-start"x ]; then
   # called via autostart cadence-session-start.desktop
   # this will check if jack is already running before trying to restart things
   exec $PYTHON $INSTALL_PREFIX/share/cadence/src/cadence_session_start.py --system-start-desktop