If I want find the differences between two directory trees, I usually just execute: diff -r dir1/ dir2/ This outputs exactly what the differences are between ...
I want to do is run a command that outputs all the lines that are in file1 but are not in file2. I tried using the Unix commands diff and comm but they both ...
Use the diff command to compare text files . It can compare single files or the contents of directories. When the diff command is run on regular files, and when it compares text files in different directories, the diff command tells which lines must be