Using cat command to number nonempty output lines
-b, –number-nonblank
number nonempty output lines
root@dell:/etc# cat -b inittab
1 # /etc/inittab: init(8) configuration.
2 # $Id: inittab,v 1.91 2002/01/25 13:35:21 miquels Exp $
1 # /etc/inittab: init(8) configuration.
2 # $Id: inittab,v 1.91 2002/01/25 13:35:21 miquels Exp $
3 # The default runlevel.
4 id:2:initdefault:
-n, –number
number all output lines
root@dell:/etc# cat -n inittab
1 # /etc/inittab: init(8) configuration.
2 # $Id: inittab,v 1.91 2002/01/25 13:35:21 miquels Exp $
3
4 # The default runlevel.
5 id:2:initdefault:
1 # /etc/inittab: init(8) configuration.
2 # $Id: inittab,v 1.91 2002/01/25 13:35:21 miquels Exp $
3
4 # The default runlevel.
5 id:2:initdefault:
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