management

I want to know what packages needs to be install for a particular command to run.like to run clear command a package name ncurses is needed.I knew a site which used to tell the package name for all Distro of linux but I couldn't remember anymore .Can somebody mention the site/s.I was very simple...

Hi, I am a new-comer here. I have intermediate strength on Linux but as of now, I have only handled linux on my personal machine. In the near future, it is possible that I may be given the responsibility of managing a linux cluster and I am not at all experienced in such tasks. Are there any...