Unix as a Second Language

The logger command provides an easy way to add messages to the /var/log/syslog file from the command line or from other files.

We might all agree on the command line, but start talking about Linux, and we might find that the rules of how to pronounce the names of Unix commands are not universal.

Blacklisting modules prevents them from being loaded and used, and it is sometimes an important step in keeping a system running properly.

The colors used on the Linux command line are intended to provide an easy way to identify files by type. You can change them, but you should have a good reason before you do.

Cisco shares have risen nearly 20 percent in 2018, making it the best performer in the Dow. What changes have energized this surprising push to the top of tech?

In spite of the huge differences between Linux and Windows, sharing files between the systems is surprisingly easy. Here’s a look at two very different ways to make this happen.

How to use the expr, factor, jot, and bc commands to do math calculations on Linux systems.

How to use the find, locate, mlocate, which, whereis, whatis, and apropos commands to find files on Linux systems.

A new version of the Fedora Linux distro, Fedora 28, was released in its beta version. Here's a look at some of its new features.

Some see a lot of promise in the evolution of "fish" on Linux -- a shell with a some unusual behaviors.

With calendars on Linux, you can get more than just reminders of what day it is. Commands such as date, cal, ncal and calendar provide helpful information.

The "last" command provides some easy ways to see who has been logging into your system and when, but with a little more work, you can ask it to report on a specific time period.

Ava from Ava Robotics, a startup with deep technical ties to iRobot, brings her charming personality to the telepresence marketplace.

The ip command provides a lot of information on network interfaces. Here's some advice to help you understand what it's telling you.

Linux command history is not just about repeating commands. You can selectively decide what to remember and whether to record the date and time your commands were used.

Some Linux commands recurse without being asked, while others have to be nudged with just the right option. Here are some ways to use it to make you tasks easier.

When the Linux kernel detects something on the system violated the kernel's rules about proper behavior, it will shut the system down and issue an "oops."

Support for container technology deriving from Lawrence Berkeley National Lab is getting a boost in enterprise and commercial markets through the formation of a new company, Sylabs.

For those of us who cut our technical teeth on the Unix/Linux command line, the relatively new ranger makes examining files a very different experience. A file manager that works inside a terminal window, ranger provides useful...

Named pipes aren't used all that often, but they provide some interesting options for inter-process communications.