The comm command (think of “comm” as in “common” to be contrasted with “diff” as in “difference”). The comm command will attempt to display the lines that two files have in common.

comm is a unix command that takes as input two sorted files and prints the lines that are unique to first file, unique to second file and common between the two files in three columns. We can omit the ...

Material on files, signals, semaphores, threads and client-server communication also has been updated and enhanced. The book provides programming exercises for many fundamental concepts in process ...