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 ...

While the average Unix user is generally satisfied by the date/time stamps that he sees when using the ls -l command, it is sometimes useful to remember that there are actually several time stamps ...

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 ...

Attaching a remote drive or directory on a Windows box is called “drive mapping” though the process is essentially the same as what we call mounting in the Unix world. While I rarely spend any ...

There are four ways to specify that a file is in UNIX System Services when you use the FILENAME statement or FILENAME function: You can also use these specifications in combination. For example, you ...

The ZIP archive is recognized by most operating systems, thus making it useful for compressing and archiving files regardless of the OS that your employees or customers use. If your company uses one ...

There are several softwares to convert text files from UNIX or Linux to DOS operating systems and vice-versa. However, it always helps to know the manual conversion. In shell programming languages ...