"One Linux command per day" awk

awk: Remove the specified character

#"-F ': '" will look up the content to: Split#the nth value is printed after the "{print $}" split (All)CAT/ETC/PASSWD |awk-f':' '{print $}'#"End{print $}" is separated by a space, printing out the last line of all valuesCat Awk.log |awk'End{print}'#"Begin{print" Begin "} {print $", "$7} end{print" END "}" starts from the first line to the last rowCAT/ETC/PASSWD |sed-n'1,3p'|awk-f':' 'begin{print "BEGIN"} {print $ "," $7} end{print "END"}'

"One Linux command per day" awk