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 ...

The Terminal app in macOS keeps track of recent commands you've used so you can reuse them at a later time. Here's how to clear Terminal's command history. When you type commands and press return in ...

That n is the reason that the echo command can also be used to add a linefeed to the end of a file that, for some reason, lacks one. Here’s a file that lacks a linefeed followed by the command that ...

An associative array is an array which uses strings as indices instead of integers. To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest ...

One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

This week, we look at a command for displaying timezone data and verifying the date on which the switch to DST will be made. The command is zdump. In its simplest form, zdump displays the current time ...

Many vital open source resources rely on the devotion of a few individuals updated It's hard to imagine something as ...

Complete tload command guide for Linux. Monitor CPU load average with live ASCII graphs. Installation, usage examples, and comparison with top/uptime.