diff [OPTION]... FILES
Options:
-i --ignore-case
Ignore case differences in file contents.
-b --ignore-space-change
Ignore changes in the amount of white space.
--suppress-common-lines
Do not output common lines.
-w --ignore-all-space
Ignore all white space.
-B --ignore-blank-lines
Ignore changes whose lines are all blank.
-q --brief
Output only whether files differ.
-y --side-by-side
Output in two column
Example:
> diff -y -b t1 t2
hallo hallo
this is this is
1 | 2
end end
> diff --suppress-common-lines -y -b t1 t2
1 | 2
> diff -b t1 t2
6c6
< 1
---
> 2
xdiff and kompare: Graphical output diff (requires X11).