Pick the wrong statement from the following.
UNIX systems originally came with a command interpreter called the Bourne Shell.
The cat command takes any characters from standard input, and then echoes them to standard output.
A pipe is a means of taking the output of one command and directing it as another command.
The manual entry is called a man page, even though it is often more than one page long.
Correct Answer :
C. A pipe is a means of taking the output of one command and directing it as another command.
Related Questions
Pick the wrong statement from the following.
UNIX systems originally came with a command interpreter called the Bourne Shell.
The cat command takes any characters from standard input, and then echoes them to standard output.
A pipe is a means of taking the output of one command and directing it as another command.
The manual entry is called a man page, even though it is often more than one page long.
Once text has been cut to the clipboard, you can____hat text into another document
Copy
Paste
Transfer
None of the above
A program to be executed must be in ---------------
main memory
secondary memory
virtual memory
Read only memory
The primary purpose of an operating system is a …
To allow people to use the computer
To make the most efficient use of computer hardware
To make computer easier to use
To keep system programmer employed
The usual su command syntax is
su-pwd
su-pd
su - userID
Sue- ID
Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
What do you mean by 0-reliable level in multicast communication?
Multiple responses is expected from any receivers.
No response is expected from any receivers.
Multiple responses is expected from multiple receivers.
A multicast message is received by all the members of the group or none.
Ext2 is the standard file system of _______ and uses a block size of_____bytes
MS DOS,8K
Linux ,1024
Linux, 512
Unix, 512
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
_______________occurs when two or more execution flows are able to run simultaneously.
Deadlock
Concurrency
race condition
interrupt
A solution to starvation is _____________.
segmentation
Aging
Paging
virtual memory
The _____________ are based on modification of the original message in some manner, or on creation of a false message.
Passive attack
Release of message content attack
Traffic analysis attack
Active attack
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel
Which one of the following statements is true?
The cat command cares which file it receives as input or where the input goes.
Relative pathnames begin with something other than the slash character
UNIX shells never remember their current working directory (CW.
The cat command interprets -X as an option character rather than a pathname.
_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.
Scalability
Reliability
Flexibility
Fault tolerance
In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.
No buffering
Single message buffering
Unbounded-capacity buffer
Finite bound buffer
PVM stands for
Parallel Virtual Machine
Parallel Virtual Message
Process Virtual Machine
Process Virtual Monitor
A process is already split into pieces, called________________.
Tasks
Program
Processors
Routines
A process may create a new process by executing ___________system call.
init
fork
create
new
SRM stands for
Security Resource Manager
Secret Resource Manager
Security Reference Monitor
Security Reference Manual
An unauthorized party inserts counterfeit objects into the system is called_________________
interruption
interception
fabrication
modification
The command used to create logical drive for specific location of disk
Format
Fdisk
Subst
All of the above
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.
Robustness
Efficiency
Transparent
Interference
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system