- Print the contents of a file to the standard output:cat [file]- Concatenate several files into the target file:cat [file1] [file2] > [target_file]- Append several files into the target file:cat [file1] [file2] >> [target_file]- Number all output lines:cat -n [file]
cat [,OPTION/]... [,FILE/]...
Concatenate FILE(s) to standard output.
With no FILE, or when FILE is -, read standard input.
Written by Torbjorn Granlund and Richard M. Stallman.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cat translation bugs to <http://translationproject.org/team/>
Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation at: <http://www.gnu.org/software/coreutils/cat> or available locally via: info '(coreutils) cat invocation'