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

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

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 ...

ITworld.com – One of my newer users asked me just yesterday how he might record a login session in order to review the commands he entered and the output he generated at a later time. I pointed out ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

Bash is the command line shell that you encounter when you open the terminal on most Unix operating systems, like MacOS and Linux. Learn how to create your own bash scripts to automate tasks on your ...