grep
N/A
grep
grep · N/A · grep · grep · global regular expression print · Linux · cli · search · textLinuxglobal regular expression print/grep/
Also known as: global regular expression print
Last updated August 8, 2026
Definition
grep searches files or command output for lines matching a text pattern, making it a staple tool for inspecting logs and code on Unix-like systems.
Real-World Example
grep “error” app.log prints every log line that mentions an error so you can debug faster.
References
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