edoli who, kai users

[m6s]

Anigo to linux, kano boot, trexo ta X, beno sto logariasmo mou
Anigo konsola
trexo who
kai vlepo:
[m6s at localhost ~]$ who
m6s      :0           Mar  9 13:44
m6s      pts/0        Mar  9 13:44
m6s      pts/1        Mar  9 13:45

users:
m6s m6s m6s

Efoson eimai ENAS sto sistima mou, kai allos kanenas ;-) ti simenoun afta?
Ade kai to :0 einai X, ade kai to pts/0 einai to termatiko mesa apta X, 
to pts/1 ti bori na einai? service pou beni sto logariasmo mou?

pos boro na paro plirofories?
poies process einai pou trexoun exaitias afton ton xriston kai apo poia 
processes exoun iparxei i xristes? gia na vgalo mia akri...
HELP!!!