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Glob multiple files in Linux with Perl. my @soundfiles = grep {/\.(wav|mid|mp3|rm|ogg)$/i} glob("*"); #Perl #Linux #Glob

Remove the unwanted characters from Fasta file: sed -e '/^[^>]/s/[^ATGCatgc]/N/g' infile.fa #sed #unwanted #illegal #remove #correct #fasta #linux

Linux command to find the file contains a string "LOCK_EX": grep -Ril "LOCK_EX" / #Root #Find #Linux #Grep #search

Split the file in Linux with size. $ split --bytes=50M aaaa.fa #split #linux #size

You can use the df command to know the free space in the disk: $ df -h . #df #Linux #List #Free #Space

To know the size of the directory in current folder. $ du -sh * #Size #Directory #List #Space #Linux #du

Filter #blank #lines from a #fasta file using sed. $ sed '/^$/d' finalSample.fa > finalSample_filtered.fa #Linux #Filter #FASTA #SED

Show before(B) and after(A) the matching region $ grep -B 3 -A 2 foo README.txt #Linux #Tricks #View #Grep

Open exFAT drive on Linux. $ sudo apt-get install exfat-fuse exfat-utils #Linux #exFAT

#Remove all line that start with # file: $ sed '/^#/ d' filename #line #sed #linux

Add color to vim. Open vi .vimrc and at the end of the file add "syntax on" #Vim #Syntax #Highlight #Vi #Linux

To generate ssh folder in linux $ ssh-keygen #Linux #ssh #Key #Connect

sudo apt-get install libgd-svg-perl to install GD::SVG #Perl #Linux #Install #Graph #Plot

Find the DIRs in Linux: $ find / -name "DIR_NAME" #Linux #Find #DIR

#Upgrade the current version of #Linux. $ sudo apt-get update && sudo apt-get upgrade