Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

One of the problems that seems to plague nearly all file systems — Unix and others — is the continuous buildup of files. Almost no one takes the time to clean out files that they no longer use and ...

A couple of days ago we discussed some problems that could arise with sizing files with HFS compression. This problem basically arises from there being a lack of consistency in the various utilities ...

In the realm of Linux command-line tools, few commands are as versatile and widely used as cat. This article dives deep into the capabilities of the Linux cat command, merging insights from multiple ...

We have looked at the fuser command before to display information about what users or processes are keeping file systems busy. This command can save you a lot of time tracking when you need to quickly ...

Many hands make light work.

Have you ever used Secure Shell to access a remote machine, only to find yourself needing to download a file from a remote location? What do you do? Since you only have terminal window access to that ...

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 ...

The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands. Allows users ...