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This section includes 746 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
401. |
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 |
Answer» C. /proc/etc/fb | |
402. |
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. | sub-direcories of various tasks |
Answer» B. files that containing tasks that have been started by this process | |
403. |
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 |
Answer» B. /proc/[PID]/path | |
404. |
Which file contains the boot options passed to the kernel? |
A. | /proc/cmdline |
B. | /proc/root |
C. | /proc/boot |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
405. |
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 |
Answer» D. none of the mentioned | |
406. |
Obtaining of the PID can be done by the utility |
A. | pgrep |
B. | pidof |
C. | ps |
D. | all of the mentioned |
Answer» E. | |
407. |
Which one of the following operating system does not supports proc filesystem? |
A. | IBM AIX |
B. | QNX |
C. | Solaries |
D. | None of the mentioned |
Answer» E. | |
408. |
/proc/partitions contains |
A. | major number of each partition |
B. | minor number of each partition |
C. | number of block and partition name |
D. | all of the mentioned |
Answer» E. | |
409. |
The file /proc/modules is a text list of |
A. | static modules |
B. | dynamic modules |
C. | modules that have been loaded by the system |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
410. |
Which file of the proc filesystem can be used instead of “syslog” system call to read kernel messages? |
A. | /proc/kmsg |
B. | /proc/moudle/kmsg |
C. | /proc/module/msg |
D. | /proc/msg |
Answer» B. /proc/moudle/kmsg | |
411. |
The proc filesystem records the number of interrupts |
A. | per CPU only |
B. | per IO device only |
C. | per CPU per IO device |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
412. |
The file /proc/cpuinfo is a collection of |
A. | cpu items |
B. | architecture independent items |
C. | both cpu items and architecture independent items |
D. | none of the mentioned |
Answer» B. architecture independent items | |
413. |
The file /proc/devices is the |
A. | text listing of major numbers |
B. | text listing of device groups |
C. | text listing of major numbers & device groups |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
414. |
Proc filesystem does not contains |
A. | sub-directories for installed buses |
B. | device files |
C. | list of registered DMA |
D. | none of the mentioned |
Answer» C. list of registered DMA | |
415. |
“ps” command uses the file _____ to provide the information. |
A. | /proc/[PID]/stat |
B. | /proc/[PID]/smaps |
C. | /proc/[PID]/oom_score_adj |
D. | /proc/[PID]/oom_score |
Answer» B. /proc/[PID]/smaps | |
416. |
What is /proc/[PID]/root? |
A. | symbolic link that points to the process’s root directory |
B. | regular file which holds all the PID of the system |
C. | root directory |
D. | does not exists in the proc filesystem |
Answer» B. regular file which holds all the PID of the system | |
417. |
The file /proc/[PID]/maps contains the |
A. | currently mapped memory regions |
B. | available memory regions |
C. | memory regions which are free to map |
D. | none of the mentioned |
Answer» B. available memory regions | |
418. |
The file /proc/[PID]/limits displays the ______ for each of the process’s resource limits. |
A. | hard limit |
B. | soft limit |
C. | units of measurement |
D. | all of the mentioned |
Answer» E. | |
419. |
The entry for each file opened by the process is present in |
A. | /proc/[PID]/fd |
B. | /proc/[PID]/file |
C. | /proc/[PID]/maps |
D. | none of the mentioned |
Answer» B. /proc/[PID]/file | |
420. |
Which one of the following file contains the environment for the process? |
A. | /proc/[PID]/environ |
B. | /proc/[PID]/env |
C. | /proc/[PID]/path |
D. | none of the mentioned |
Answer» B. /proc/[PID]/env | |
421. |
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 |
Answer» B. regular file containing the information about the current status of the process | |
422. |
The file /proc/[PID]/cmdline holds the complete command line for the process, unless the process is a |
A. | child process |
B. | zombie process |
C. | orphan process |
D. | None of the mentioned |
Answer» C. orphan process | |
423. |
The file /proc/[PID]/cgroups |
A. | describes control groups to which the process belongs |
B. | contains the information about all groups of the system |
C. | provides the information about the group which has generated the process |
D. | none of the mentioned |
Answer» B. contains the information about all groups of the system | |
424. |
The /proc directory contains |
A. | numerical sub-directory for each running process |
B. | sub-directories for installed buses |
C. | a text listing of filesystems which are supported by the kernel |
D. | all of the mentioned |
Answer» E. | |
425. |
Proc filesystem provides the information about |
A. | processes |
B. | processor |
C. | proxy server |
D. | none of the mentioned |
Answer» B. processor | |
426. |
Which one of the following is not true about proc filesystem? |
A. | proc filesystem is a pseudo-filesystem |
B. | proc filesystem is used as an interface to kernel data structures |
C. | some files in proc filesystem allow kernel variables to be changedsome files in proc filesystem allow kernel variables to be changed |
D. | none of the mentioned |
Answer» E. | |
427. |
Any file or directory present in the ______ directory may not be reserved between the invocation of the program. |
A. | /var |
B. | /tmp |
C. | /etc |
D. | all of the mentioned |
Answer» C. /etc | |
428. |
The directory /srv contains |
A. | site-specific data which is served by the system |
B. | all the system files |
C. | all the service files provided by the specific user |
D. | none of the mentioned |
Answer» B. all the system files | |
429. |
The directory /opt is reserved for |
A. | installation of add-on application software packages |
B. | optional booting files |
C. | optional user specific files |
D. | none of the mentioned |
Answer» B. optional booting files | |
430. |
Kernel modules are present in |
A. | /lib directory |
B. | /root directory |
C. | /boot directory |
D. | none of the mentioned |
Answer» B. /root directory | |
431. |
Which one of the directory does not contain binary files? |
A. | /bin |
B. | /sbin |
C. | /etc |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
432. |
The /boot directory stores the data that is used |
A. | before the kernel begins executing user mode programs |
B. | after the kernel begins executing user mode programs |
C. | before the bootloader is loaded in the RAM |
D. | none of the mentioned |
Answer» B. after the kernel begins executing user mode programs | |
433. |
What is /bin/sh ? |
A. | bourne shell |
B. | hard or symbolic link to the real shell command |
C. | bash shell |
D. | both bash shell and bourne shell |
Answer» C. bash shell | |
434. |
The directory /media is the |
A. | mount point for removable media |
B. | mount point for filesystem |
C. | mount point for removable media & filesystem |
D. | none of the mentioned |
Answer» B. mount point for filesystem | |
435. |
Host specific configuration files are installed in |
A. | /etc directory |
B. | /lib directory |
C. | /root directory |
D. | /bin directory |
Answer» B. /lib directory | |
436. |
When we install a new package in linux system, then |
A. | all the files of the packages are installed in a single directory |
B. | different files are installed at different locations of the file system |
C. | package works just after extraction, installation is not required |
D. | none of the mentioned |
Answer» C. package works just after extraction, installation is not required | |
437. |
Superuser can change the _______ permissions of any file. |
A. | owner |
B. | group |
C. | other |
D. | all of the mentioned |
Answer» E. | |
438. |
In linux filesystem, the passwords of different users are stored in |
A. | /etc/passwd file |
B. | /bin/passwd file |
C. | /etc/shadow file |
D. | /bin/shadow file |
Answer» D. /bin/shadow file | |
439. |
Linux filesystem contains mainly |
A. | ordinary files |
B. | device files |
C. | directory files |
D. | all of the mentioned |
Answer» E. | |
440. |
Static files of the bootloader are installed in |
A. | /boot directory |
B. | /root directory |
C. | /bin directory |
D. | /sbin directory |
Answer» B. /root directory | |
441. |
The contents of root filesystem is responsible to |
A. | boot the system |
B. | recover the system |
C. | repair the system |
D. | all of the mentioned |
Answer» E. | |
442. |
The /dev directory contains the |
A. | device drivers |
B. | device files |
C. | kernel modules of device drivers |
D. | none of the mentioned |
Answer» C. kernel modules of device drivers | |
443. |
System binaries are stored in |
A. | /sbin directory |
B. | /usr/sbin directory |
C. | /usr/local/sbin directory |
D. | all of the mentioned |
Answer» E. | |
444. |
What is /root? |
A. | root filesystem |
B. | home directory of the root user |
C. | the directory which contains all the directories of the filesystem |
D. | none of the mentioned |
Answer» C. the directory which contains all the directories of the filesystem | |
445. |
Which one of the following is a mount point for a temporarily mounted filesystem? |
A. | /mnt directory |
B. | /media directory |
C. | /dev directory |
D. | none of the mentioned |
Answer» B. /media directory | |
446. |
Operating system kernel must be located in |
A. | / |
B. | /boot |
C. | either in / or in /boot |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
447. |
In awk program, the name of the array can not be same with the |
A. | name of variable |
B. | value of the array element |
C. | name of variable & value of the array element |
D. | none of the mentioned |
Answer» B. value of the array element | |
448. |
Which one of the following is used by awk to control the conversion of numbers to string? |
A. | RS |
B. | OFMT |
C. | SUBSEP |
D. | RSTART |
Answer» C. SUBSEP | |
449. |
RSTART is set by invoking the |
A. | match function |
B. | index function |
C. | asort function |
D. | split function |
Answer» B. index function | |
450. |
What is FNR? |
A. | FNR is the current record number in the current file |
B. | FNR is the number of fields in the current input record |
C. | FNR is an array contains the value of environment |
D. | None of the mentioned |
Answer» B. FNR is the number of fields in the current input record | |