Introducing UNIX and Linux

Files

The following commands were introduced in this chapter

`basename`	display non-directory part of filename
`cd`	change working directory
`chgrp`	change file group ownership
`chmod`	change file access privileges
`chown`	change file ownership
`cmp`	compare two files
`compress`	compress files
`cp`	copy files
`cpio`	copy files to and from archives
`cut`	select columns or fields from each line of a file
`df`	display free disk space
`diff`	show differences between two files
`dirname`	display directory part of a pathname
`du`	display file space usage
`file`	describe file contents
`fold`	fold lines
`head`	show the first few lines of a file
`id`	display information about a user's identity
`ln`	link files
`lp`	send files to a printer
`lpr`	send files to a printer
`mkdir`	create new directories
`mv`	move files
`newgrp`	change your current group-id
`od`	dump files in various formats
`paste`	merge corresponding lines of text files
`patch`	apply changes to files
`pax`	file archiver and format translator
`pr`	a very basic formatter for text files
`pwd`	display working directory
`rmdir`	remove empty directories
`sort`	sort or merge text files
`strings`	display printable strings in a file
`tail`	show the last few lines of a file
`tar`	create tape archives, and add or extract files
`touch`	change last modification time of a file
`umask`	change access privileges when files are created
`uncompress`	uncompress files
`uniq`	filter out repeated lines
`wc`	word, line and byte count