Open GUI program, detached from shell

gui-from-shell.md

#!/bin/bash
if [ $# -gt 0 ] ; then
  ($@ &) &>/dev/null
else
  cat <<-EOM
    Usage: gui [COMMAND] [ARG]...
    
    Runs a command in GUI mode, i.e., detached completely from the executing shell and terminal.
    If no command is given, this help message is shown.
EOM
fi

Instructions

• Save above script in a file called gui somewhere on the user's PATH (environment variable).
• Make it executable: chmod +x <PATH_TO_FILE>/gui (enter the script's path in place of <PATH_TO_FILE>).

Note: This script was inspired from this Stack Overflow answer.