Computer Tips - How can I restrict an account to ftp only?

Date: 2010may28 OS: Linux Q. How can I restrict an account to ftp only? A. Make file /usr/local/bin/ftponly that contains:
#!/bin/sh echo "Only FTP access is allowed with this account." exit 0
and make it executable:
chmod a+x /usr/local/bin/ftponly
Then make it the user's shell:
chsh -s /usr/local/bin/ftponly <user>
Test it: Try to login to this account with ssh, you should be denied Alternately, some ftp server all virtual users. ie users who aren't Linux users.