DIFF(1) DIFF(1) (NAME) diff - (SYNOPSIS) diff []... ... (DESCRIPTION) . -i, --ignore-case . -w, --ignore-all-space . -b, --ignore-space-change . -B, --ignore-blank-lines . -u, -U , --unified[=] (unified diff) ( ). -c, -C , --context[=] context diff . -q, --brief ( ). -r, --recursive . -s, --report-identical-files . -y, --side-by-side (side-by-side). --color[=] 'never' 'always' 'auto' . --help . -v, --version . (EXIT STATUS) . (AUTHOR) Paul Eggert Mike Haertel David Hayes Richard Stallman Len Tower. (REPORTING BUGS) : bug-diffutils@gnu.org (COPYRIGHT) (C) 2023 (Free Software Foundation, Inc.) diffutils 3.10 May 2023 DIFF(1)