DIFF3(1) DIFF3(1) diff3 - diff3 []... -A, --show-all -e, --ed ed -E, --show-overlap -e -3, --easy-only -e -x, --overlap-only -e -X -x -i 'w' 'q' ed -m, --merge -A -a, --text --strip-trailing-cr -T, --initial-tab --diff-program= -L, --label= --help -v, --version -e, -e, -x, -X ed -m--merge diff3 ed '-' 0 1 2 Randy Smith bug-diffutils@gnu.org GNU diffutils GNU (C) 2025 GPLv3+GNU GPL 3 cmp(1), diff(1), sdiff(1) diff3 Texinfo info diff3 info diff3 man man https://github.com/man-pages-zh/manpages- zh diffutils 3.12 2025 DIFF3(1)