fixing example output for look command

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Bonnie I-Man Ng 2022-05-08 01:38:02 +08:00 committed by GitHub
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@ -2571,16 +2571,16 @@ sudo iptables A INPUT s <IP> -p tcp dport 80 j DROP
```bash
# If file is not specified, the file /usr/share/dict/words is used.
look phy|head -n 10
# Phil
# Philadelphia
# Philadelphia's
# Philby
# Philby's
# Philip
# Philippe
# Philippe's
# Philippians
# Philippine
# phycic
# Phyciodes
# phycite
# Phycitidae
# phycitol
# phyco-
# phycochrom
# phycochromaceae
# phycochromaceous
# phycochrome
```
##### Repeat printing string n times (e.g. print 'hello world' five times)