Explain about shell aritmetic operators and functions?
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command to display different lines that are found when compare two files?
How zip the file in unix?
What does tr H do in unix?
What are the essential features of the unix operating system?
What is dev null in unix?
How to move a background job to forward?
What is unix and why it is used?
how do you move a backgrounnd job to forward?
Assume that there are two different filesystems as /abc and /xyz. There is a file A under filesystem /abc which has to be linked to filesystem /xyz. Which link will you use - soft link or hard link? why?
Give a brief idea about representation of devices in unix.
How to perform a system shutdown in unix?
What are the requirements for a swapper to work?