PLEASE HELP ME, I WANT TO WRITE A C PROGRAM TO EMULATE THE
Is -L -A -F UNIX COMMAND THAT WILL DISPLAY ALL FILES IN THE CURRENT DIRECTORY INCLUDING INVISIBLE FILES, THEIR ACCESS PRIVILEGES, AS WELL...

OK! HERE IS THE QUESTION.
DESCRIBE CLEARLY HOW ULTRIX OPERATING SYSTEM HANDLES BASIC OS FUNCTION..

please help if you can......

please help me about ultrix operating system

ultrix history
how it handles basic OS functions
thread management
networking
virtual memory
synhronization
security
file system