You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...

Don't expose your system with sloppy scripts! Although a Linux desktop or server is less susceptible to viruses and malware than a typical Windows device, there isn't a device on the internet that isn ...

Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

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 ...

The Linux operating system is powerful and flexible, able to run in several different modes of operation called run levels. When a Linux system starts, a function called "init" is used to configure ...