diff

Tools to manage changes with the diff file format.

diff(1)

Compare files line by line in the diff format.

diff3(1)

Compare three files line by line in the diff format.

patch(1)

Apply a diff file to an original. Takes a patch file produced by the diff command.

git(1)

Version control systems (VCS) were built out of a historical frustration with manually creating, mailing and applying patches. Git has appeared as the clear winner in the VCS landscape, and uses the diff format to show changes between commits.

diffstat(1)

Pretty diff graphs. Example:

$ git diff | diffstat
 index.js |    1 -
 1 file changed, 1 deletion(-)

terraform(1)

Produces diff output for infrastructure.