Linux Command (1)

ps : check process status
kill : kill process
eg. kill 8505, 8505 being the process number checked by "ps"
jobs : check suspended work (suspended by "ctrl +z")
% : restart suspended job by "ctrl +z"
eg. %1 , "1" being the suspended job number
history : check command history
free /quota : check available space ? (not clear yet)
rm : remove file (delete)
eg. rm tr_test.sp
mkdir : make directory
cd .. : go to upper directory
kate : visual text editor under linux

vim (or vi) : text editor under linux
:w :save
:w + "file name" :save to a file name
:x :save and exit = :wq
:q : exit without save