terminal gist

terminal.sh

Bash / Terminal / Shell notes 
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* Script header 
#!/bin/bash

* Decompression: 
$ tar -zxvf filename.tgz 

$ tar -zxvf filename.tar.gz  

$ tar -jxvf filename.tar.bz2

gzip -d file.gz

* Search for string in files 
grep -r 'something' path 

* Search for file
find path -name "NAME"

* kill a process with its name 

kill -9 PROCESS_NAME

* kill with application name:
killall Python 
or 
pkill AppName 

* Show disk usage and usage limit 
quota -s 
-s  is for human readibility. 

* Remove contents of a folder recursively: 
rm -rf folderName 

* How to see whether you have permission to ssh on a git server or not (i.e. your public key has properly installed): 
ssh -T [email protected]

* Redirect the output (stdout and strerr) to a file and output screen 
command 2>&1 | tee filename

* Show permission of the files with permissions converted to human-readable numbers: 
stat -c "%a %n" *

* Sort the list processes in `top` by their memory  usage: `o` stands for override.   
top -o %MEM