What are hidden files in unix?
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What is a superuser?
Why does the server parent need to close the connected socket returns from accept in a concurrent TCP server? What may happen if it does not do so?
Explain what are the unix system calls for i/o?
how you know the ip address of user system?
How to display the contents of a file?
List a few significant features of unix?
What is unix directory structure?
Consider a TCP echo client which blocks on fgets which read input from standard input. If now the corresponding server process crashes, what will client TCP kernel receive? Can the client process receive that? Why or why not? How you solve the above problem?
what is the functionality of kernel in unix architecture?
what is wrong with this interactive shell script?
How do you go to a directory in unix?
What is source unix?