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 ...

The grep command is a handy, reliable tool for searching for files or information. This tutorial illustrates 10 ways to take advantage of its power and flexibility. From the tutorial: Windows search ...

Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky to learn and remember, but their redeeming feature is their reusability: ...