Answer / Rahul Harshawardhan

Before running a shell script from the terminal, you must make sure it has execute permissions. You can set execute permissions using the chmod command. For example: `chmod +x filename`

Difference between the fork() and vfork() system call?

1 Answers  

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How do I find my unix os version?

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What is meant by the term super user?

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Is ios based on unix?

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command to display different lines that are found when compare two files?

2 Answers   HP,

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What are internal and external commands in unix?

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Explain Sticky bit?

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What is unix and why is it important?

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A process is running for 1000 times.How to kill all processes except one i.e kill 999 processes?

1 Answers   Subex,

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What are the entities that are swapped out of the main memory while swapping the process out of the main memory?

1 Answers  

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Is used to create ordinary files on any unix system?

1 Answers  

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Explain file system in unix.

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