Tools

grep Cheat Sheet

Print-ready cheat sheet for grep, organized for fast lookup, study, and desk-side use

Source: GNU grep Manual (gnu.org/software/grep)
License: MIT
Variants: 3 download options
Updated: 2026-03-27

Sample

What's in this cheat sheet

Running grep

grep "pattern" file.txt            # search in file
grep "error" *.log                 # search multiple files
grep "hello" file1.txt file2.txt   # explicit file list
cat file.txt | grep "pattern"      # pipe input
dmesg | grep -i "usb"              # filter command output

Common Flags

`-i`	Case-insensitive matching
`-v`	Invert match — print non-matching lines
`-c`	Print count of matching lines
`-n`	Show line numbers
`-l`	List filenames with matches only
`-L`	List filenames without matches
`-w`	Match whole words only
`-x`	Match whole lines only

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