Michael wrote:
And one more question...what is ROOT and what is it used for?
to add to what has been said...
in a 'grunt' view, '1st shirt', 'hnic'.
by definition, 'root' is root.
as a 'user', 'owner' of all, 'privileged' over all, 'restricted' only by self.
'root user' is installed with a few safe guards, but not enough to make a running system safe from total destruction by some new to such control.
i started with unix in late 70's, and as root user, locked myself out several times before i fully understood chmod. found out a couple times how easy it is to bring a system down with wild cards. it was fun learning. but i was learning at a time of 8 bit data and 16 bit address, loading os with 10 8" floppy disk into a 10 mg hard drive.
after i built up my disk storage to 4 10 meg 5.25" hdd, hd1 = os, hd2 = progs, hd3 = data, hd4 = back up of a configed os for rebuild when i messed up. after a few months, i rarely took system down other than with 'sync and kill'.
today, logging in as root it is a dangerous habit to get into. yet, with today's fast high capacity storage, recovery is not too bad. if you do happen to have it backed up. :)
for now, you are a 'boot', do not sign in as 'root'. for now, being a 'user', less likely a 'looser'.
!!! in coming !!!
peace out.
tc,hago.
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