Dicas diversas sobre TI, sistemas operacionais e networking
awk '{$2="#"$2;print $0}' your_fileThis will add # to the start of the second (space-separated) column regardless of which position it occurs at.
sed -r -e 's/^.{15}/&#/' file
Insert '#' in position 15
Checking Local Root Account Status Run sudo passwd -S root : Look for the status letter in the output. An L means the account is locked (...
