Linux Proc Filesystem MCQ

Test your knowledge with important Linux Proc Filesystem MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Linux Proc Filesystem MCQs at Bissoy

• The /sbin/sysctl command is used to
  ক

  view kernel settings in the /proc/sys/ directory

  খ

  set kernel settings in the /proc/sys/ directory

  গ

  automate kernel settings in the /proc/sys/ directory

  ঘ

  all of the mentioned
• What is /proc/self ?
  ক

  a directory

  খ

  link to the currently running process

  গ

  it allows a process to look itself without having to know its process ID

  ঘ

  all of the mentioned
• The file /proc version shows the version of ______ used in the system.
  ক

  kernel

  খ

  gcc

  গ

  both kernel and gcc

  ঘ

  none of the mentioned
• The file /proc/locks displays the file currently locked by the
  ক

  kernel

  খ

  user

  গ

  superuser

  ঘ

  none of the mentioned
• /bin/dmesg picks the messages from
  ক

  /proc/kmesg

  খ

  /sbin/klogd

  গ

  both /proc/kmesg and /sbin/klogd

  ঘ

  none of the mentioned
• The file /proc/kcore displays a size of
  ক

  RAM

  খ

  RAM plus 4 KB

  গ

  RAM plus 8 KB

  ঘ

  None of the mentioned
• The file /proc/execdomains lists the
  ক

  execution domains currently supported by the linux kernel

  খ

  all domains of all processes

  গ

  registered ISA DMA channel in use

  ঘ

  none of the mentioned
• For the system having one processor, the processor identifying number in the file /proc/cpuinfo is
  ক

  0

  খ

  1

  গ

  2

  ঘ

  3
• Which file shows the parameter passed to kernel at the time of starting?
  ক

  /proc/apm

  খ

  /proc/cmdline

  গ

  both /proc/apm and /proc/cmdline

  ঘ

  none of the mentioned
• Which file is used primarily for diagnosing memory fragmentation issues ?
  ক

  /proc/buddyinfo

  খ

  /proc/meminfo

  গ

  /proc/apm

  ঘ

  none of the mentioned
• The command “echo www.sanfoundry.com > /proc/sys/kernel/hostname” will
  ক

  change the hostname

  খ

  print “www.sanfoundry.com”

  গ

  do nothing

  ঘ

  none of the mentioned
• The directory /proc/net contains information about
  ক

  Different network system compiled into the system

  খ

  IP address of the system

  গ

  MAC address of the system

  ঘ

  None of the mentioned
• The files of /proc directory are
  ক

  stored in secondary memory

  খ

  generated by the kernel

  গ

  stored in secondary memory & generated by the kernel

  ঘ

  none of the mentioned
• Accessing the file /proc/meminfo gives the different result each time because
  ক

  memory usages is always fluctuating

  খ

  a new process id is assigned

  গ

  logical address is different from the physical address

  ঘ

  none of the mentioned
• Proc files are
  ক

  read-only files

  খ

  read-write files

  গ

  both read-write and read-only files

  ঘ

  none of the mentioned
• Most files and directories within /proc are 0 bytes in size because
  ক

  proc filesystem exists only as a reflection of the in-memory kernel data structure

  খ

  these files contains very only one or two instructions

  গ

  proc filesystem doesn’t exists only as a reflection

  ঘ

  none of the mentioned
• With the help of proc filesystem
  ক

  kernel and kernel modules can send the information to processes

  খ

  process information can be accessed

  গ

  kernel modules can send the information to processes & process information can be accessed

  ঘ

  none of the mentioned
• The file /proc//mountinfo contains
  ক

  /mountinfo contains ] major minor numbers of device files

  খ

  PID

  গ

  PID

  ঘ

  PID
• Which one of the following command will print the environement of process 1?
  ক

  cat /proc/1/environ

  খ

  cat /proc/bin/1/env

  গ

  cat /proc/1/var/env

  ঘ

  none of the mentioned
• The command “cd /proc/10/cwd” provides the
  ক

  current working directory of process having PID 10

  খ

  current status of the process having PID 10

  গ

  current version of the filesystem

  ঘ

  none of the mentioned
• /proc/tty contains the information about
  ক

  current terminal

  খ

  all terminals

  গ

  both current & all terminals

  ঘ

  none of the mentioned
• The file /proc/swaps contains the
  ক

  list of active swap partitions

  খ

  sizes of the swap partitions

  গ

  priorities of the swap partitions

  ঘ

  all of the mentioned
• The buddy algorithm handles the
  ক

  Memory fragmentation

  খ

  DHCP server

  গ

  Routing

  ঘ

  None of the mentioned
• The list of available frame buffers are stored in /fb b) /proc/fb c) /proc/etc/fb d) none of the mentioned
  ক

  /proc//fb

  খ

  PID

  গ

  PID

  ঘ

  PID
• The directory /proc//tasks contains
  ক

  /tasks contains ] hard links to any task that have been started by this process

  খ

  PID

  গ

  PID

  ঘ

  PID
• Which one of the following is a symlink to the root path as seen by the process? /root b) /proc//path c) both /proc/apm and /proc//path d) none of the mentioned
  ক

  /proc//root

  খ

  PID

  গ

  PID

  ঘ

  PID
• Which file contains the boot options passed to the kernel?
  ক

  /proc/cmdline

  খ

  /proc/root

  গ

  /proc/boot

  ঘ

  none of the mentioned
• Which one of the following contains various bits of information about the state of power management?
  ক

  /proc/acpi

  খ

  /proc/apm

  গ

  both /proc/acpi and /proc/apm

  ঘ

  none of the mentioned
• Obtaining of the PID can be done by the utility
  ক

  pgrep

  খ

  pidof

  গ

  ps

  ঘ

  all of the mentioned
• Which one of the following operating system does not supports proc filesystem?
  ক

  IBM AIX

  খ

  QNX

  গ

  Solaries

  ঘ

  None of the mentioned