commands

screen                                  -- share terminal screen
rsync remote@path local@host            -- copy files
scp [-r] remote@path local@host         -- copy files/dirs
nslookup www.somesite.com               -- get ip
uptime                                  -- get amount of up running time
xclip                                   -- Reads  from  standard in, or from one or more files
nohup command_name [>filename] [2>&1] & -- run a command immune to hangups, with output to a non-tty
xmllint --format filename [>outfile]    -- format a given xml file