Home
Current Affairs January 2024

What is the correct answer?

4

The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

Correct Answer :

C. su - userID


Related Questions

What is the correct answer?

4

Identify the server:
This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.

A. Instance-per-call-servers

B. Persistent Servers

C. Non-Persistent Servers

D. Semantic server

What is the correct answer?

4

__________ deals with when a modified page should be written out to secondary memory.

A. Cleaning policy

B. Fetch policy

C. Frame locking

D. None

What is the correct answer?

4

When resources have multiple instances ________ is used for deadlock Avoidance.

A. Bankers algorithm

B. Resource Allocation Graph

C. semaphores

D. all of these

What is the correct answer?

4

In_________________ model, when a process does a release access, the contents of all the modifications are not immediately sent to other nodes but they are sent only on demand.

A. Release Consistency Model

B. Lazy Release consistency model

C. Weak Consistency Model

D. Processor Consistency Model

What is the correct answer?

4

When a child dies, it sends a _______________signal to its parent.

A. SIGCHLD

B. EDEADLK

C. WNOHANG

D. SEDECHLD

What is the correct answer?

4

In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

A. No buffering

B. Single message buffering

C. Unbounded-capacity buffer

D. Finite bound buffer

What is the correct answer?

4

A standard UNIX system includes a set of ___________ and a set of ___________.

A. Commands ,files

B. Libraries, Applications

C. Libraries, files

D. Files, Applications

What is the correct answer?

4

A small part of taskbar that has icons of background running applications is

A. Start button

B. Quick launch

C. Task bar

D. System tray

What is the correct answer?

4

The primary purpose of an operating system is:

A. To allow people to use the computer,

B. To make the most efficient use of the computer hardware

C. To make computers easier to use

D. To keep systems programmers employed

What is the correct answer?

4

SRM stands for

A. Security Resource Manager

B. Secret Resource Manager

C. Security Reference Monitor

D. Security Reference Manual

What is the correct answer?

4

Taskbar is used for

A. Navigation program

B. Start a program

C. Switching between program

D. All of above

What is the correct answer?

4

____ runs on a computer hardware and serves as a platform for other system to run on

A. System software

B. Operating system

C. Application system

D. All of above

What is the correct answer?

4

Which of the following is an essential file of a MS-DOS boot disk?

A. COMMANCOM

B. START.COM

C. VER.COM

D. TREE.COM

What is the correct answer?

4

In case of ________________the server automatically copies files to other servers after the files are written.

A. Explicit replication

B. Implicit replication

C. Lazy file replication

D. Group file replication

What is the correct answer?

4

One of the wonderful things about UNIX is its ___________names.

A. Unlimited path

B. Unlimited directory

C. Limited path

D. Limited file

What is the correct answer?

4

Which one of the following statements is true?

A. The cat command cares which file it receives as input or where the input goes.

B. Relative pathnames begin with something other than the slash character

C. UNIX shells never remember their current working directory (CW.

D. The cat command interprets -X as an option character rather than a pathname.

What is the correct answer?

4

You can use print manage window

A. To cancel the print job

B. To check status of files in the print queue

C. To interrupt printing

D. All of the above

What is the correct answer?

4

Which of the following is suitable after you install new drivers?

A. Hibernate

B. Sleep

C. Restart

D. Shut Down

What is the correct answer?

4

Whenever you move a directory from one location to another

A. The directory is moved the source file is not moved

B. All the subdirectory inside that directory are moved

C. All files inside the directory are moved

D. Both b and c

What is the correct answer?

4

Which of the following operating system reads and reacts in actual time?

A. Quick Response System

B. Time Sharing System

C. Batch Processing System

D. Real Time System

What is the correct answer?

4

_____________typically contains temporary data such as subroutine parameter, return address, and temporary variables.

A. Current value of Program Counter

B. Value of the variables

C. The process stack

D. A data section

What is the correct answer?

4

What is Dr. Watson?

A. IT Expert

B. Diagnosis tool

C. Surgeon

D. None

What is the correct answer?

4

IPC stands for _________

A. Integrated parallel communication

B. Intermediate process call

C. Internal program call

D. Inter process communication

What is the correct answer?

4

An orphan process is automatically inherited by the _____and becomes a _______ of this process.

A. 'init' process, father

B. 'init' process, child

C. 'initial process, father

D. 'it' process, child

What is the correct answer?

4

When copying more than one file at a time, you must specify an existing directory as the ___________

A. Source

B. Sub directory

C. Destination.

D. Path name

What is the correct answer?

4

RPN stands for

A. Reverse Polish Notation

B. Record Police Notation

C. Record Polish Notation

D. Reverse Police Negation

What is the correct answer?

4

A shared memory segment first needs to be allocated (create, using the__________ system call.

A. semget()

B. msgrcv()

C. shmget()

D. mknod()

What is the correct answer?

4

An option commonly takes the form of a _____followed by __________characters.

A. dot, one or more

B. dash, only one

C. dash, one or more

D. dot,only two

What is the correct answer?

4

_______________occurs when two or more execution flows are able to run simultaneously.

A. Deadlock

B. Concurrency

C. race condition

D. interrupt

What is the correct answer?

4

In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.

A. availability

B. confidentiality

C. integrity

D. authenticity