When using Ubuntu, user-defined tasks can be performed by executing a script at startup and shutdown. Each of these scripts is a little particular and requires subtle modifications in order to include ...

Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script.

The main purpose of the execute bit is to control whether or not you can run a file as a program or script. If you enter the name of a file on your command line, your shell will attempt to execute it.