Information such as parameters, resources used

Assignment Help Operating System

Reference no: EM13168137

Write a brief description about the following system calls used in Unix/Linux. Include information

such as parameters, resources used, expected results/return values, and possible error conditions.

(Hint: use the man pages)

? Open

? Close

? Read

? Write

? Fork

b) Explain which of the following systems calls should be privileged and why.

1. Manipulating data in physical memory

2. Set the value of the timer

3. Switch to kernel mode

4. Acess IO device

5. Check the current list of running processes

Reference no: EM13168137

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