Introducing UNIX and Linux

Advanced shell programming

The following commands were introduced in this chapter

`alias`	define or display aliases
`ar`	maintain a library archive
`cksum`	file checksum utility
`comm`	select/reject lines common to two files
`command`	execute a simple command
`ctags`	create a 'tags' file
`dd`	convert file format
`eval`	construct command by concatenating arguments
`exec`	execute command by replacing shell process
`expand`	replace tabs by spaces
`getconf`	get configuration variables
`join`	relational database operator
`locale`	display information about the 'locale'
`localedef`	define the 'locale'
`logger`	log message for the system administrator
`make`	maintain and update groups of programs
`mkfifo`	create a FIFO file
`nm`	display name list of an object file
`pathchk`	check pathname is valid
`return`	return from a function
`split`	split a file into pieces
`strip`	remove unnecessary data from executable files
`stty`	set terminal options
`trap`	intercept a signal
`unalias`	remove alias definition
`unexpand`	replace spaces by tabs
`uudecode`	decode a file which was coded with `uuencode`
`uuencode`	encode a binary file
`xargs`	construct argument list and execute command