Command-line Perl scripts can make adminstering a UNIX box easier by replacing certain commands with some routine scripts. Find out how to take advantage of this approach. Perl is everywhere. Most ...

One can take advantage of using default submission scripts via NoMachine and pre-defined Unix command wrappers. When using NoMachine, the default submission scripts run in the background and the ...

The outer subshell uses the cd command to move into that directory and pwd to display the location. Since these commands are subshells, nothing has changed with respect to the rest of the script. We ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

User profiles aren’t restricted to what shells your users use, what groups they are members of, and what privileges they have been allocated. While these factors are important, so are when they log in ...