Linux Proc Filesystem Question:
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What is /proc/[PID]/cwd?
a) symbolic link to current directory of the process
b) regular file containing the information about the current status of the process
c) directory containing various sub-directories
d) none of the mentioned

Proc Filesystem Interview Question
Proc Filesystem Interview Question

Answer:

a) symbolic link to current directory of the process

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Which one of the following contains various bits of information about the state of power management?
a) /proc/acpi
b) /proc/apm
c) both (a) and (b)
d) none of the mentioned
Which one of the following is a sym-link to the root path as seen by the process?
a) /proc/[PID]/root
b) /proc/[PID]/path
c) both (a) and (b)
d) none of the mentioned