7.2 Summary of Commands¶

Author: Dr. Alejandra Rougon

The following table shows a summary of the commands reviewed in the previous notebooks

Command	Action
`pwd`	print path to working directory
`ls`	list directory contents [ `-l` long description, `-a`all, `-t` time order, `-r`reverse, `-p` prints `/`after folder name]
`cd`	change directory
`mkdir`	make directory
`cat`	view, create, add content & concatenate files
`less`	view file contents
`more`	view file contents
`head`	view top lines [`-n` number of lines]
`tail`	view bottom lines [`-n` number of lines]
`man`	open manual of a specific command [`q` to quit]
`cp`	copy files & folders
`mv`	move files & folders; change name
`rm`	remove files
`rmdir`	remove directories
`*`	wildcard [any character any number of times]
`sort`	sort [alphabetically, `-n` numerically, `-v` numerically letters and numbers, `-r` reverse]
`cut`	select columns [`-f` field, `-d` separator]
`grep`	find string [`-v`opposite, `-c` count]
`vim`	text editor [ `i`insert, `Esc:wq!` save and quit, `Esc:q!` quit without saving]
`nano`	text editor [ `Ctrl o` save, `Ctrl x` quit]
`wc`	word count [`-l`lines, `-w`words, `-c`characters]
`chmod`	change permissions
`\|`	pipe [output of one command goes as an input to another command]
`>`	output redirection [new file or overwrite existing file]
`>>`	output redirection append
`ssh`	secure shell to access a remote server
`scp`	secure copy files between local and remote server
`echo`	prints to screen

Plants & Python