[OPTION]… FILE1 FILE2
This command compares two files and prints the results in three-column output–for example,
unique to file 1unique to file2 common lines
The files must be sorted before comm can be used.
Example: To compare the entries in two database files, t1old.db and t1new.db, use
comm t1old.db t1new.db
OPTIONS… FROM-FILE [TO-FILE]
|-1||Suppress printing of column 1.|
|-2||Suppress printing of column 2.|
|-3||Suppress printing of column 3.|
cmp compares two files and outputs the first byte and line number where they differ.
Use cmp, rather than diff, to compare binary files.
Example: To compare file1.txt and file2.txt, skipping ...