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Operating systems jobs

The most important program that runs on a computer. Every general-purpose computer must have an operating system to run other programs.

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers.

Please find below a list of questions that will help you prepare your interview:

Could you define UID and GID?

How could you determine the users who have logged in and logged out in last x minutes using shell scripts?

Explain how do you open a read only file in Unix?

How do you search the string for vowel's occurrence and the number of occurrences of each vowel?

What is Physical Port and Logical Port in Windows XP terminology?

Could you briefly explain the differences between the concepts that are involved in Windows and UNIX operating?

What are the differences between TCP and RDP?

In Sun Solaris, explain the different steps to configure a mail server?

What is the command to find out the NFS version in Solaris?What UNIX command would you use to find out the open ports in a system?

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