Linux Proc Filesystem Questions & Answers – 3

This set of Linux / Unix questions and answers focuses on Linux Proc Filesystem. This is set-3.

1. Which one of the following operating system does not supports proc filesystem?
a) IBM AIX
b) QNX
c) Solaries
d) None of the mentioned
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2. Obtaining of the PID can be done by the utility
a) pgrep
b) pidof
c) ps
d) all of the mentioned
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3. Which one of the following contains various bits of information about the state of power management?
a) /proc/acpi
b) /proc/apm
c) both /proc/acpi and /proc/apm
d) none of the mentioned
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4. Which file contains the boot options passed to the kernel?
a) /proc/cmdline
b) /proc/root
c) /proc/boot
d) none of the mentioned
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5. Which one of the following is a symlink to the root path as seen by the process?
a) /proc/[PID]/root
b) /proc/[PID]/path
c) both /proc/apm and /proc/[PID]/path
d) none of the mentioned
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6. The directory /proc/[PID]/tasks contains
a) hard links to any task that have been started by this process
b) files that containing tasks that have been started by this process
c) sub-direcories of various tasks
d) none of the mentioned
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7. The list of available frame buffers are stored in
a) /proc/[PID]/fb
b) /proc/fb
c) /proc/etc/fb
d) none of the mentioned
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8. The buddy algorithm handles the
a) Memory fragmentation
b) DHCP server
c) Routing
d) None of the mentioned
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9. The file /proc/swaps contains the
a) list of active swap partitions
b) sizes of the swap partitions
c) priorities of the swap partitions
d) all of the mentioned
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10. /proc/tty contains the information about
a) current terminal
b) all terminals
c) both current & all terminals
d) none of the mentioned
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