Seq
seq 'prints' (sends to standard output) a sequence of numbers). greg@workstation:~$ seq 10 1 2 3 4 5 6 7 8 9 10 greg@workstation:~$ seq 3 9 3 4 5 6 7 8 9 greg@workstation:~$ seq 10 10 110 10 20 30 40 50 60 70 80 90 100 110 [root@localhost tmp]# seq -f "ashish%02g" 10 ashish01 ashish02 ashish03 ashish04 ashish05 ashish06 ashish07 ashish08 ashish09 ashish10 touch $(seq -f "ashish%02g" 10) ashish01 ashish02 ashish03 ashish04 ashish05 ashish06 ashish07 ashish08 ashish09 ashish10