Advice for everyday Unix systems administration and some clever ways to approach more challenging problems.
Pipes, aliases and scripts make Linux so much easier to use.
Our Linux cheat sheet includes some of the most commonly used commands along with brief explanations and examples of what the commands can do.
Commands that provide help are essential. Here's a look at some of the help you can get from the Linux system itself.
This series of posts will help Linux/Unix newbies to feel comfortable on the command line.
The Linux compgen command is a bash builtin that's used to provide different varieties of information.
Linux offers a lot of helpful commands for doing math on the command line.
Linux has a lot of options for displaying dates and times -- even for past and future dates. Take a look at how many ways you can elect to view this information.
The arguments and options you use on the command line can make command output easier to use.
The nohup command can allow a long-running process to run to completion even after you log off.
Some simple Linux commands allow you to break files into pieces and reassemble them as needed. In this post, we'll look at the split command and some of its more useful options.
Linux offers a couple of easy ways to record commands you type so that you can review or rerun them.
The echo command is simple, except when it isn't. Here's a look at the basic command along with some of the more challenging things it can do.
Since 2004, October is National Cybersecurity Awareness Month. Here's a review of what that means, plus a list of open-source and free cybersecurity tools to consider.
The fortune command might be more versatile than you realize.
The curl and the wget commands make it easy to download content from web sites.
Linux provides a lot of handy commands for manipulating text files. This post explains how to use a collection of them.
The Linux comm command makes it easy to compare a couple text files and determine if they both contain the same lines -- whether the file contents are sorted or not.
There are quite a few ways to increment and decrement numeric variables in bash. This post examines the many ways you can do this.
With a handful of commands and a trick or two, you can move around the Linux file system with ease and never get lost.
The more command on Linux may have a lot more options than you know and use.