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
Impact of procedure : Performing the following procedure should not have a negative impact on your system. Open putty by double click...
