Sometimes, we use tools from so long time that we don't know/care/remember where it comes from.
It is particularly true for system tools (e.g. mount, fsck, tune2fs, ls...).
To get such information, installed RPM packages can be requested (like explained in this article).
For instance, to get information about the package providing the mount tool (under GNU/Bash):
rpm -qfi $( which mount)
Then, to see what other tools are provided by this package, check the list of provided files:
rpm -qfil $( which mount)
Usually, using those instructions help mastering installed tools, and to discover some you don't use yet.