Man Pages – Linux Manual Pages

ed, red – text editor
USAGE
ed [-] [-Gs] [-p string] [file]

red [-] [-Gs] [-p string] [file]

DESCRIPTION
ed is a line-oriented text editor. It is used to create, display, mod-
[...]

diff3 – find differences between three files
USAGE
diff3 [options] mine older yours

DESCRIPTION
The diff3 command compares three files and outputs descriptions of
their differences.

The files [...]

diff – find differences between two files
USAGE
diff [options] from-file to-file

DESCRIPTION
In the simplest case, diff compares the contents of the two files from-
file and to-file. A file name of – stands for text read [...]