introduction to general commands (tools and
The manual pages in section 1 contain most of the commands which comprise the
user environment. Some of the commands included in
section 1 are text editors, command shell interpreters, searching and sorting
tools, file manipulation commands, system status commands, remote file copy
commands, mail commands, compilers and compiler tools, formatted output tools,
and line printer commands.
All commands set a status value upon exit which may be tested to see if the
command completed normally. The exit values and their meanings are explained
in the individual manuals. Traditionally, the value 0 signifies successful
completion of the command.
manual appeared in
Version 6 AT&T UNIX