7.2 Summary of Commands

Author: Dr. Alejandra Rougon

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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, -aall, -t time order, -rreverse, -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 [-vopposite, -c count]
vim	text editor [ iinsert, Esc:wq! save and quit, Esc:q! quit without saving]
nano	text editor [ Ctrl o save, Ctrl x quit]
wc	word count [-llines, -wwords, -ccharacters]
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