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Count the number of "pattern" occurrence in a file grep -o 'pattern' anc.annots.gff | wc -l #Linux #grep #Count #Number #Occurrence

rename all *.txt as *.bak: find . -name "*.txt" | sed "s/\.txt$//" | xargs -i echo mv {}.txt {}.bak | sh #Linux #Rename #Oneliner

Linux onliner for bioinformatician https://github.com/stephenturner/oneliners #Linux #Onliner

Linux for bioinformatics http://rous.mit.edu/index.php/Unix_commands_applied_to_bioinformatics #Linux #Bioinformatics #Commands

VI(Visual) Editor Reference manual http://glaciated.org/vi/ #Linux #Vi #Editor #Commands