You have thousands of commands at your disposal as a Unix administrator. However, even the most advanced administrators only use a finite number of tools and utilities on an ongoing basis. The ...

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 ...

UNIX possesses numerous commands and utilities for the creation, modification, and display of files and directories. Table 4.1, a summary of file management commands, was created from the headers of ...

Memorizing a few Linux file management commands will make your work as an IT administrator easier, and it can prevent file loss and disorganization. Before you start any file management tasks, ensure ...

Older commands can still be faster—and more flexible, powerful, and accessible too!

If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...

Unix systems provide numerous ways to compare files. The most common way to verify that you have received or downloaded the proper file is to compute a checksum and compare it against one computed by ...

Solaris Volume Manager can make easy work of mirroring your root file system, but you have to use the right commands in the right sequence to make easy work of this task. In this week’s column, we’ll ...