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 -- ...

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 ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

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 ...

The Linux grep command is a powerful search tool. From my experience, I’ve realized that most of the power I get from it comes from just a handful of options. These are the ones I reach for constantly ...

The grep command is a powerful tool for searching for files or information. Learn some strategies for using it effectively. Explore Get the web's best business technology news, tutorials, reviews, ...

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...