What is unix buffer cache?
command to view process running?
How to get the n-th field from a Unix command output?
How do you make programs portable on unix and dos under such circumstances?
Is unix the first operating system?
Explain about shell aritmetic operators and functions?
How do you kill a process in unix?
In what way the Fault Handlers and the Interrupt handlers are different?
Is it possible to restrict incoming message?
Is mac unix based?
How to remove the directory in unix?
Is unix still around?
Is unix multiuser?