Hello and Welcome to LinuxQuestions,
A great decision your company made! If you know nothing, as you state, then start at the beginning. Read the
documentation for the distro you've installed and besides that read some general documentation like
Rute User's Tutorial and Exposition which will teach you a lot. Take it one step at a time and when in doubt, post here.
Looking forward to your participation in the forums. Have fun with Linux.
Kind regards,
Eric