What does tr H do in unix?
Is mac built on unix?
What does ls mean in unix?
What is dot profile in unix?
What are internal and external commands in unix?
What can you tell about shell variables?
Is mac a unix system?
What are the benefits of running processes in the background?
How do you kill a job in unix?
What do you understand by the term single user system?
What does a pipe(|) do?
What is unix file?
What are the layers of unix operating system?