Maybe: startx
Linpus? Look into how to determine what 'packages' are installed.
I'd spend a bit of time looking at some web articles on like:
Intro to Linux beginner commands tutorial
A good first command to learn is: df -h
(it will tell you about disk partition sizes; ignore sys tmp proc run dev)
See IF you have an internet connection by: ping -c 2 8.8.8.8
Welcome; enjoy! Let us know *more details*! acer model? Best wishes.