[CentOS] what provices "replace" command?

2010/1/9 Rudi Ahlers <Rudi at softdux.com>:
> I am used to using the replace command to quickly replace strings in
> file, but it's not available on some of my fresh CentOS 5.4 servers.

Is sed suitable for what you need to achieve?

http://www.google.co.uk/search?sourceid=chrome&ie=UTF-8&q=sed+replace+strings

Ben