Linux Proc Filesystem Questions & Answers – 5

1. Which file is used primarily for diagnosing memory fragmentation issues ?
a) /proc/buddyinfo
b) /proc/meminfo
c) /proc/apm
d) none of the mentioned
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2. Which file shows the parameter passed to kernel at the time of starting?
a) /proc/apm
b) /proc/cmdline
c) both /proc/apm and /proc/cmdline
d) none of the mentioned
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3. For the system having one processor, the processor identifying number in the file /proc/cpuinfo is
a) 0
b) 1
c) 2
d) 3
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4. The file /proc/execdomains lists the
a) execution domains currently supported by the linux kernel
b) all domains of all processes
c) registered ISA DMA channel in use
d) none of the mentioned
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5. The file /proc/kcore displays a size of
a) RAM
b) RAM plus 4 KB
c) RAM plus 8 KB
d) None of the mentioned
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6. /bin/dmesg picks the messages from
a) /proc/kmesg
b) /sbin/klogd
c) both /proc/kmesg and /sbin/klogd
d) none of the mentioned
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7. The file /proc/locks displays the file currently locked by the
a) kernel
b) user
c) superuser
d) none of the mentioned
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8. The file /proc version shows the version of ______ used in the system.
a) kernel
b) gcc
c) both kernel and gcc
d) none of the mentioned
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9. What is /proc/self ?
a) a directory
b) link to the currently running process
c) it allows a process to look itself without having to know its process ID
d) all of the mentioned
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10. The /sbin/sysctl command is used to
a) view kernel settings in the /proc/sys/ directory
b) set kernel settings in the /proc/sys/ directory
c) automate kernel settings in the /proc/sys/ directory
d) all of the mentioned
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