How many root directories exist in unix?
What a pipe?
What are unix options?
What are three main elements of unix operating system?
how do display only hidden files in unix?
Explain what are the unix system calls for i/o?
Explain how do we change file access permissions?
In what way the Fault Handlers and the Interrupt handlers are different?
What is delayed write in unix?
What is dot profile in unix?
What are positional parameters in unix?
Where unix is used today?
Write a shell script that requests the user's age and then echoes it, along with some suitable comment.