The everlastingly useful grep command can change its character with the flip of a switch to help you find things. The grep command – likely one of the first ten commands that every Unix user comes to ...

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

7 deprecated Linux commands you need to stop using - and what to use instead ...

A key point to these tools (from a practical point ) is that they are very memory efficient and allow work on just a "line".

Linux systems don't only know a lot of words, it has commands that can help you use them by finding words that are on the tip of your tongue or fixing your typos. While you might not think of Linux as ...

Wow. It’s amazing we ever made it out of the 20th century. It’s like reading about farmers who would plow by hand. I remember the epiphany (long time ago) of discovering how awk solved my problem of ...