MCQOPTIONS
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MCQOPTIONS
This section includes 713 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Which of the following shell scripts looping features does not recognize the break command? |
| A. | while |
| B. | until |
| C. | for |
| D. | none of the above |
| Answer» E. | |
| 252. |
Hardware configuration while booting includes |
| A. | check what hardware present |
| B. | locate and initialize each device as specified |
| C. | probe the bus for devices and ask the appropriate drivers for information |
| D. | all of these |
| Answer» E. | |
| 253. |
Steps in boot process |
| A. | loading and initialzation of kernel |
| B. | device detection and configuration |
| C. | creation of processess and execution of system starup scripts |
| D. | all of these |
| Answer» E. | |
| 254. |
Each start-up script can usually accept at least two command line arguments: |
| A. | start and stop |
| B. | start and pause |
| C. | start and resume |
| D. | none |
| Answer» B. start and pause | |
| 255. |
All start-up scripts are typically kept in a directory named which usually lives somewhere under “/etc†|
| A. | init.d |
| B. | init.c |
| C. | intit.e |
| D. | none |
| Answer» B. init.c | |
| 256. |
Styles of system start-up scripts… |
| A. | the system v style |
| B. | the bsd style |
| C. | both a and b |
| D. | none |
| Answer» D. none | |
| 257. |
The system start-up scripts are executed by                     when the system starts up and it is these scripts which are responsible for completing the bootstrap process of the UNIX system. |
| A. | init |
| B. | kernel |
| C. | root |
| D. | none |
| Answer» B. kernel | |
| 258. |
The actual program which the Linux kernel executes as the init process can be specified via the command line parameter. |
| A. | "kernel" |
| B. | "init" |
| C. | "root" |
| D. | none |
| Answer» C. "root" | |
| 259. |
init’s job after basic system initialization is |
| A. | is to take over the system start-up procedure |
| B. | complete the system bootstrap process |
| C. | both a and b |
| D. | none |
| Answer» D. none | |
| 260. |
The first program the kernel attempts to execute after basic system initialization is complete is called |
| A. | fork |
| B. | init |
| C. | kill |
| D. | none |
| Answer» C. kill | |
| 261. |
All those cryptic messages you see fly by when the Linux kernel first starts up are messages from the initializing and configuring your hardware. |
| A. | compiled-in-ram |
| B. | compiled-in-root |
| C. | compiled-in kernel drivers |
| D. | none |
| Answer» D. none | |
| 262. |
After the kernel is brought in from disk into main memory, it begins execution and one of the first things it does is ………… |
| A. | initialize the system\s kernel |
| B. | initialize the system’s hardware. |
| C. | initialize the system\s ram |
| D. | none |
| Answer» C. initialize the system\s ram | |
| 263. |
The kernel itself is a program that usually lives in the root partition of the UNIX filesystem. Most Linux distributions call it           and it often a symbolic link to the real kernel file which lives in “/bootâ€. |
| A. | /vmlinuz |
| B. | /kernel |
| C. | /root |
| D. | none |
| Answer» B. /kernel | |
| 264. |
Other boot loaders which can be used to load Linux exist: |
| A. | grub |
| B. | loadlin |
| C. | both a and b |
| D. | none |
| Answer» D. none | |
| 265. |
LILO’s configuration file is |
| A. | /etc/lilo.conf |
| B. | lilo.config |
| C. | etc/lilo.config |
| D. | none |
| Answer» B. lilo.config | |
| 266. |
What is LILO ? |
| A. | list in list out |
| B. | last in last out |
| C. | linux loader |
| D. | none |
| Answer» D. none | |
| 267. |
LILO can be installed to either ……..of Linux root partition. |
| A. | mbr |
| B. | to the boot record |
| C. | both a and b |
| D. | none |
| Answer» D. none | |
| 268. |
A popular boot loader used by most Linux distributions to boot Linux is called |
| A. | fifo |
| B. | lilo |
| C. | lifo |
| D. | none |
| Answer» C. lifo | |
| 269. |
LILO can also be used to boot other operating systems as well such as …….. |
| A. | ms-dos |
| B. | windows 98 |
| C. | windows nt |
| D. | all of these |
| Answer» E. | |
| 270. |
To allow only one user to work with a particular file at a particular time ,one has to |
| A. | semaphore |
| B. | critical region |
| C. | locking |
| D. | dedicated mode |
| Answer» D. dedicated mode | |
| 271. |
When a process makes a system call ,its mode changes from |
| A. | user to kernel |
| B. | kernel to user |
| C. | restricted to unrestricted |
| D. | unrestricted to restricted |
| Answer» B. kernel to user | |
| 272. |
Which command will be used with vi editor to move back to the beginning of a word |
| A. | b |
| B. | e |
| C. | a |
| D. | w |
| Answer» B. e | |
| 273. |
Which of the following calls never returns an error? |
| A. | getpid |
| B. | ioct1 |
| C. | fork |
| D. | open |
| Answer» B. ioct1 | |
| 274. |
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3? |
| A. | can be used to look at the tail or bottom of the file |
| B. | chmod u x emp[l-3] |
| C. | chmod u r ??? emp |
| D. | chmod 222 emp? |
| Answer» C. chmod u r ??? emp | |
| 275. |
The tail command in UNIX |
| A. | can be used to look at the tail or bottom of the file |
| B. | can be used to display the list of last 10 files in the current directory |
| C. | can be used to display the list of last 15 in the current directory |
| D. | none of the above |
| Answer» B. can be used to display the list of last 10 files in the current directory | |
| 276. |
The sort command in UNIX |
| A. | used to sort a file |
| B. | used to sort the list of files in a directory |
| C. | both a and b |
| D. | none of the abov |
| Answer» B. used to sort the list of files in a directory | |
| 277. |
The command that can be used to restrict incoming messages to a user is |
| A. | halt |
| B. | mesg |
| C. | grep |
| D. | sleep |
| Answer» C. grep | |
| 278. |
it rw- means |
| A. | readable |
| B. | readable and executable |
| C. | readable and writable |
| D. | readable, writable and executable |
| Answer» D. readable, writable and executable | |
| 279. |
It rwx means |
| A. | readable |
| B. | readable and executable |
| C. | readable and writable |
| D. | readable, writable and executable |
| Answer» E. | |
| 280. |
it r-x means |
| A. | readable |
| B. | readable and executable |
| C. | readable and writable |
| D. | readable, writable and executable |
| Answer» C. readable and writable | |
| 281. |
it r-- means |
| A. | readable |
| B. | readable and executable |
| C. | readable and writable |
| D. | readable, writable and executable |
| Answer» B. readable and executable | |
| 282. |
it -wx means |
| A. | no permission |
| B. | execute only |
| C. | writable only |
| D. | writable and executable |
| Answer» E. | |
| 283. |
it -w- means |
| A. | no permission |
| B. | execute only |
| C. | writable only |
| D. | writable and executable |
| Answer» D. writable and executable | |
| 284. |
it --- x means |
| A. | no permission |
| B. | execute only |
| C. | writable only |
| D. | writable and executable |
| Answer» C. writable only | |
| 285. |
it --- means |
| A. | no permission |
| B. | execute only |
| C. | writable only |
| D. | writable and executable |
| Answer» B. execute only | |
| 286. |
which command is used for extracting file sfrom arcieve |
| A. | tar -c |
| B. | tar-x |
| C. | tar-t |
| D. | all of these |
| Answer» C. tar-t | |
| 287. |
the file access permission types are |
| A. | r-- read |
| B. | w-- write |
| C. | x-- execute |
| D. | all of these |
| Answer» E. | |
| 288. |
Which command is used for specifying archieve arch |
| A. | tar -c |
| B. | tar-x |
| C. | tar-t |
| D. | #name? |
| Answer» E. | |
| 289. |
whicj command is used for displaying file in archieve |
| A. | tar -c |
| B. | tar-x |
| C. | tar-t |
| D. | all of these |
| Answer» D. all of these | |
| 290. |
which command is used for creating an archive |
| A. | tar -c |
| B. | tar-x |
| C. | tar-t |
| D. | all of these |
| Answer» B. tar-x | |
| 291. |
which of the following are archive command |
| A. | tar -c |
| B. | tar-x |
| C. | tar-t |
| D. | all of these |
| Answer» E. | |
| 292. |
!cmd is used for |
| A. | saving and editing |
| B. | editing and aborting |
| C. | to runs cmd and return to command prompt |
| D. | saving |
| Answer» D. saving | |
| 293. |
:w is used for |
| A. | saving and editing |
| B. | editing and aborting |
| C. | writing |
| D. | saving |
| Answer» E. | |
| 294. |
:q is used for |
| A. | saving and editing |
| B. | editing and aborting |
| C. | writing |
| D. | saving |
| Answer» C. writing | |
| 295. |
Input mode is used for |
| A. | to show text |
| B. | to copy text |
| C. | to provide command |
| D. | all of these |
| Answer» B. to copy text | |
| 296. |
ex mode is used for |
| A. | handling files and erform substitution |
| B. | copy and delete |
| C. | to show text |
| D. | to hide text |
| Answer» B. copy and delete | |
| 297. |
:x is used for |
| A. | saving and editing |
| B. | editing and aborting |
| C. | writing |
| D. | saving |
| Answer» B. editing and aborting | |
| 298. |
command mode allows operation of |
| A. | copy and delete |
| B. | cut and copy |
| C. | paste and delete |
| D. | copy and cut |
| Answer» B. cut and copy | |
| 299. |
The vi editor is working in which mode of following |
| A. | command |
| B. | input |
| C. | ex |
| D. | all of these |
| Answer» E. | |
| 300. |
The command for changing group owner is |
| A. | chown |
| B. | chgrp |
| C. | chmod |
| D. | cher |
| Answer» C. chmod | |