CPSC 1280 Lecture Notes - Lecture 8: List Of Unix Commands, Passwd, Man Man
11 Oct 2016
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Flexibility of command usage: run multiple commands by specifying them in the same line: $ date ; echo : split a command into multiple lines: > dolly : save command output in a file: $ date > foo: use output of one command as input of another: $ date | cut d f 2: run a command in the background with &: Man: displays documentation of commands, configuration files, system calls and library functions, organized in a number of sections. Commands are found in section 1: may need to use section number when entry exists in multiple sections. $ man -s 5 passwd: man documentation not available for most internal commands of the shell, use man man first to know how man should be used. Man page: name, synopsis, description, author, reporting bugs, copyright, see also. Understanding a man page: example: whatis syntax/synopsis.
