Control who can access files, search directories, and run scripts using the Linux's chmod command. This command modifies Linux file permissions, which look complicated at first glance but are actually ...

Linux man pages are packed with helpful info, but they can be overwhelming. Here's how to make them easy to read and use.

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

On Linux, the umask defines how new files and directories inherit access rights. Linux uses your current umask value to ...

Linux provides a useful array of commands for managing file permissions, getting information on commands, displaying running processes and displaying details on the system itself. The uname command ...

Have you ever entered “ls –l” into a UNIX command line and seen something like this? Do you wonder what the “drwxr–r– “ means or why you can’t edit, open, or even read some files or directories? Well, ...

There are certain Linux commands I consider essential. These commands range from networking, troubleshooting, and file viewing. They're also easy enough for new users to learn. Get more in-depth ZDNET ...