MCQOPTIONS
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MCQOPTIONS
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.
| 701. |
Which command creates an empty file if file does not exist? |
| A. | cat |
| B. | touch |
| C. | ed |
| D. | read |
| Answer» C. ed | |
| 702. |
Which command is used to perform backup in unix? |
| A. | backup |
| B. | cpio |
| C. | zip |
| D. | gzip |
| Answer» C. zip | |
| 703. |
Which command is used to display disk consumption of a specific directory |
| A. | du |
| B. | ds |
| C. | dd |
| D. | dds |
| Answer» B. ds | |
| 704. |
Which command is used to extract a column from a text file |
| A. | paste |
| B. | get |
| C. | cut |
| D. | tar |
| Answer» D. tar | |
| 705. |
Which command is used to extract intermediate result in a pipeline |
| A. | tee |
| B. | extract |
| C. | exec |
| D. | none of the mentioned |
| Answer» B. extract | |
| 706. |
Which command changes a file’s group owner |
| A. | cgrp |
| B. | chgrp |
| C. | change |
| D. | group |
| Answer» C. change | |
| 707. |
Which command is used to view compressed text file contents |
| A. | cat |
| B. | type |
| C. | zcat |
| D. | |
| Answer» D. print | |
| 708. |
Which command is used to display the octal value of the text |
| A. | octal |
| B. | text_oct |
| C. | oct |
| D. | od |
| Answer» E. | |
| 709. |
Find / -name ‘*’ will |
| A. | List all files and directories recursively starting from / |
| B. | List a file named * in / |
| C. | List all files in / directory |
| D. | List all files and directories in / directory |
| Answer» B. List a file named * in / | |
| 710. |
Which option of ls command used to view file inode number |
| A. | –l |
| B. | -o |
| C. | -a |
| D. | –i |
| Answer» E. | |
| 711. |
Using which command you find resource limits to the session? |
| A. | rlimit |
| B. | ulimit |
| C. | setrlimit |
| D. | getrlimit |
| Answer» C. setrlimit | |
| 712. |
Which command is used to print a file |
| A. | |
| B. | ptr |
| C. | lpr |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 713. |
Which command is used to display the unix version |
| A. | uname -r |
| B. | uname -n |
| C. | uname -t |
| D. | kernel |
| Answer» B. uname -n | |
| 714. |
Which command is used to display the operating system name |
| A. | os |
| B. | unix |
| C. | kernel |
| D. | uname |
| Answer» E. | |
| 715. |
Which command is used to record a user login session in a file |
| A. | macro |
| B. | read |
| C. | script |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 716. |
Which command is used to set terminal IO characteristic? |
| A. | tty |
| B. | ctty |
| C. | ptty |
| D. | stty |
| Answer» E. | |
| 717. |
The command “mknod myfifo b 4 16” |
| A. | Will create a block device if user is root |
| B. | Will create a block device for all users |
| C. | Will create a FIFO if user is not root |
| D. | None of the mentioned |
| Answer» B. Will create a block device for all users | |
| 718. |
The dmesg command |
| A. | Shows user login logoff attempts |
| B. | Shows the syslog file for info messages |
| C. | kernel log messages |
| D. | Shows the daemon log messages |
| Answer» D. Shows the daemon log messages | |
| 719. |
How do you get help about the command “cp”? |
| A. | help cp |
| B. | man cp |
| C. | cd ? |
| D. | none of the mentioned |
| Answer» C. cd ? | |
| 720. |
What control character signals the end of the input file? |
| A. | ctrl + a |
| B. | ctrl + b |
| C. | ctrl + c |
| D. | ctrl + d |
| Answer» E. | |
| 721. |
Which among the following is used to write small programs to control Unix functionalities? |
| A. | Shell Commands |
| B. | Shell Script |
| C. | Filters |
| D. | C Language |
| Answer» C. Filters | |
| 722. |
What are the sizes of (Integer/Long/Pointer) in LP64 programming model? |
| A. | 8/8/8 |
| B. | 4/4/8 |
| C. | 4/8/8 |
| D. | 4/8/4 |
| Answer» D. 4/8/4 | |
| 723. |
x86-32 uses which programming model? |
| A. | IP16 |
| B. | IP32 |
| C. | ILP16 |
| D. | ILP32 |
| Answer» E. | |
| 724. |
Which of the following UNIX flavor is from IBM? |
| A. | BSD |
| B. | Solaris |
| C. | HP-UX |
| D. | AIX |
| Answer» E. | |
| 725. |
Which of these is not a Unix Flavor? |
| A. | BSD |
| B. | MAC |
| C. | AIX |
| D. | IRIX |
| Answer» C. AIX | |
| 726. |
SVR4 was developed by |
| A. | Sun Microsystems |
| B. | AT&T |
| C. | University of Berkeley |
| D. | Sun and AT&T jointly |
| Answer» E. | |
| 727. |
Syntax of any Unix command is: |
| A. | command [options] [arguments]. |
| B. | command options [arguments]. |
| C. | command [options] [arguments]. |
| D. | command options arguments |
| Answer» B. command options [arguments]. | |
| 728. |
Lp0 device file is used to access: |
| A. | Floppy |
| B. | Cdrom |
| C. | Printer |
| D. | Tape drive |
| Answer» D. Tape drive | |
| 729. |
SVR4 stands for? |
| A. | Standard Version Release 4 |
| B. | System Version Release 4 |
| C. | Standard Five Release 4 |
| D. | System Five Release 4 |
| Answer» E. | |
| 730. |
Unix is which kind of Operating System? |
| A. | Multi User |
| B. | Multi Processes |
| C. | Multi Tasking |
| D. | All of the mentioned |
| Answer» E. | |
| 731. |
Which of the following is considered as the super daemon in Unix? |
| A. | sysinit |
| B. | init |
| C. | inetd |
| D. | proc |
| Answer» C. inetd | |
| 732. |
Which of the following enables multi-tasking in UNIX? |
| A. | Time Sharing |
| B. | Multi programming |
| C. | Multi user |
| D. | Modularity |
| Answer» B. Multi programming | |
| 733. |
The system calls in UNIX is written using which language |
| A. | C |
| B. | C++ |
| C. | Assembly Language |
| D. | Fortran |
| Answer» B. C++ | |
| 734. |
Which of the following is “NOT” a UNIX variant ? |
| A. | Solaris |
| B. | AIX |
| C. | IRIX |
| D. | AS400 |
| Answer» E. | |
| 735. |
Solaris is the name of a flavor of UNIX from |
| A. | HP |
| B. | IBM |
| C. | Digital Equipment Corp |
| D. | Sun Microsystems |
| Answer» E. | |
| 736. |
Applications communicate with kernel by using: |
| A. | System Calls |
| B. | C Programs |
| C. | Shell Script |
| D. | Shell |
| Answer» B. C Programs | |
| 737. |
Which among the following interacts directly with system hardware? |
| A. | Shell |
| B. | Commands |
| C. | Kernel |
| D. | Applications |
| Answer» D. Applications | |
| 738. |
Under UNIX the key board is the default input device and the monitor is the default output device |
| A. | True |
| B. | False |
| Answer» B. False | |
| 739. |
Single Unix Specification Version 2 provides enhanced support for |
| A. | 16 bit Unix |
| B. | 32 bit Unix |
| C. | 64 bit Unix |
| D. | 8 bit Unix |
| Answer» D. 8 bit Unix | |
| 740. |
ILP32 stands for |
| A. | 32 bit Integer, Long & Pointer |
| B. | 32 bit Integrated Long & Pointer |
| C. | 32 bit Intelligent Long & Pointer |
| D. | 32 bit Long & Pointer |
| Answer» B. 32 bit Integrated Long & Pointer | |
| 741. |
Which is the core of the operating system? |
| A. | Shell |
| B. | Kernel |
| C. | Commands |
| D. | Script |
| Answer» C. Commands | |
| 742. |
wtmp and utmp files contain: |
| A. | Temporary system data |
| B. | User login-logout log |
| C. | The user’s command execution log |
| D. | The user’s su and sudo attempts |
| Answer» C. The user’s command execution log | |
| 743. |
At start of process execution, STDOUT & STDERR |
| A. | Point to current terminal device |
| B. | Are closed |
| C. | Point to special files on the system |
| D. | None of the mentioned |
| Answer» B. Are closed | |
| 744. |
To increase the response time and throughput, the kernel minimizes the frequency of disk access by keeping a pool of internal data buffer called |
| A. | Pooling |
| B. | Spooling |
| C. | Buffer cache |
| D. | Swapping |
| Answer» D. Swapping | |
| 745. |
Linux __________ the use of multiple swap spaces. |
| A. | allows |
| B. | does not allow |
| C. | may allow |
| D. | none of the mentioned |
| Answer» B. does not allow | |
| 746. |
Linux uses a time-sharing algorithm |
| A. | to pair preemptive scheduling between multiple processes |
| B. | for tasks where absolute priorities are more important than fairness |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» B. for tasks where absolute priorities are more important than fairness | |