grep
grep
Website: http://www.gnu.org/software/grep/
grep is a command-line utility for searching plain-text data sets for lines matching a regular expression. It is one of the most fundamental and widely used tools in Unix and Linux systems, available on virtually every POSIX system.
Key Features
- Regular Expression Search — Basic, extended, and Perl-compatible regex support
- Recursive Search — Search entire directory trees with
-r - Color Output — Highlight matches with
--color - Context Lines — Show lines before, after, or around matches (
-B,-A,-C) - Invert Match — Show lines that do not match a pattern
- Binary File Handling — Skip or search binary files intelligently
Platform
Linux, macOS, BSD, Windows (via WSL/Cygwin)
Licence
GNU General Public License v3