command to find a package

[futas]

What is the command from terminal used to display where a package i.e Skype has been installed in my Linux system ?

I use

which skype

and the output is

/usr/bin/skype

this is not what I'd like to know, I'd like to know all of its directories. In windows they can be found easily.

Try

rpm -ql skype

[bonedome]

There's also

locate skype

this will show every file/directory with skype in the title, helpful if not installed as an rpm

[marriedto51]

... and if you want to know the contents of the package that provides a given command, you can roll it all together with

rpm -q -l -f $(which command-name)

[secipolla]

Or
repoquery -l <package>

and if you want to know to which package a file belongs
repoquery -f <file>