how to change ftp port

hello,
i try to change my ftp port i try this code(i used this topic http://forum.centos-webpanel.com/ftp/how-to-change-ftp-port/  )

Code: [Select]

grep Bind /etc/pure-ftpd/pure-ftpd.conf Bind 201
# Bind                      127.0.0.1,21
i get this error/output

grep: Bind: no such file or directory
grep: 201: no such file or directory

greetings

nano /etc/pure-ftpd/pure-ftpd.conf

It's in there