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Extract the underscore separated values. $ awk '{split($0,a,"_"); print a[1]"_"a[2]}' aaa.txt | sort | uniq -u > all_ids_sm.txt #awk #bash #underscore #list

Awk hack for bioinformatician https://www.shellhacks.com/awk-print-column-change-field-separator-linux-bash/ #Hack #Bioinfo #Bash

https://github.com/stephenturner/oneliners #Bash #Tutorial #OneLiner

Create user with bash $su - joker #user #bash #create

Read a file in terminal $ less file2 #bash #less

Write in a file in bash $ cat >> file then ctrl+d to exit #bash #cat #write

List all the bash command related to time $ apropos time #bash #time #list

Find the file $ locate xgenome or locate fstab #bash #locate

ls -a to list all files #bash #list #ls

To move between current directories $ popd and pushd #pushd #popd #bash

Bash scripting cheatsheet https://devhints.io/bash #Bash #CheatSheet #Script

sort -k2 -n genome.fa #Sort #Column2 #Bash

Print each command before executing? Bash script to print each command before executing. $ bash -x myscript.sh #Print #Command #Bash

A full-featured & carefully designed adaptive prompt for Bash & Zsh https://github.com/nojhan/liquidprompt #Shell #Zsh #Bash

Fork Bomb Bash script for your Linux OS its copies continually replicate themselves, quickly taking up all your CPU time and memory :(){ :|: & };: #Freeze #Bash #Linux #Fork