With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

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 ...

grep is the established tool for full-text file search on the command line. But alternatives are available, like ripgrep, ag, and sift. But should you switch and, if so, which should be your search ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

The command line isn't required when using Linux. To truly maximize your Linux experience, you should still learn it. Some commands are more useful than others. Before we begin, I want to be clear: ...