Linux Systems Question:
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Runlevel system command is used for?
a) getting the present and previous runlevel of the system
b) setting the runlevel attribute of the system in the inittab file
c) can be used to restart or reboot the system
d) all of the above

Linux OS Systems Interview Question
Linux OS Systems Interview Question

Answer:

d) all of the above

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Tell me which command is used to mount file system read only.
a) mount -a
b) mount -v
c) mount -f
d) mount -r		System call can be implemented using which assembly instruction(s) on x86 processors?
a) int 0×80
b) sysenter
c) both a & b
d) None