Jan Kończak

user@host ~ $ cat ps
  PID TTY          TIME CMD
29417 pts/27   00:00:00 bash
29422 pts/27   00:00:00 ps
user@host ~ $ cut -c 7- ps            # outputs characters starting from the seventh
TTY          TIME CMD
pts/27   00:00:00 bash
pts/27   00:00:00 ps
user@host ~ $ cut -b 4,25 ps          # fourth and twenty-fifth byte
IC
1b
2p
user@host ~ $ cut -f 2 -d ' ' ps      # the first line of the ps file starts with two spaces, hence the 'empty' f

pts/27
pts/27