multi-user, single-user state.
reboot, halt
CTRL-ALT-DEL
FONT COLOR="#408080"
ls -l
total 912 (what's that???!)
     -l      (The lowercase letter ``ell.'')  List in long format. (See be-
             low.)  If the output is to a terminal, a total sum for all the
             file sizes is output on a line before the long listing.

X -showconfig
top
swapinfo
Do FreeBSD need a .txt extention after a text(text.txt) to be able to read it?
chfn ............... change your "Real Name" as seen on finger
grep ............... search for a string in a file
tail ............... show the last few lines of a file
finger (emailaddr).. shows more information about a user

the "|" sign
&& and |
>
>>
id
find
man hier
finding man page
shell