On a UNIX system, there can be ____ shells running simultaneously.(a) 1(b) 2(c) many(d) 4This question was addressed to me in an online interview.This intriguing question comes from Shell Basics topic in chapter The Shell of Unix

On a UNIX system, there can be ____ shells running simultaneously.(a)

1.	On a UNIX system, there can be ____ shells running simultaneously.(a) 1(b) 2(c) many(d) 4This question was addressed to me in an online interview.This intriguing question comes from Shell Basics topic in chapter The Shell of Unix
Answer» Right answer is (c) many Easiest explanation: Even though there is only one kernel running on our system, there can be multiple shells running in action –one for each user who is logged in. As we know that computers don’t have any INHERENT CAPABILITY of TRANSLATING COMMANDS into actions, this piece of a TASK is performed by the command interpreter –known as the shell.

Discussion

No Comment Found

Related InterviewSolutions

Command substitution requires the command to use ________(a) standard input(b) standard output(c) standard error(d) all of the mentionedI got this question in an interview for internship.This is a very interesting question from Command Substitution and Shell Variables in division The Shell of Unix
Which of the following is not a system defined variable?(a) $PATH(b) $HOME(c) $SHELL(d) $cdThis question was posed to me in a job interview.The doubt is from Command Substitution and Shell Variables topic in section The Shell of Unix
Which of the following is an invalid variable?(a) _user(b) us01(c) -txtfile(d) txt123The question was asked by my college professor while I was bunking the class.My enquiry is from Command Substitution and Shell Variables topic in division The Shell of Unix
C shell uses which command for assigning values to variables?(a) =(b) set(c) unset(d) $The question was posed to me by my college professor while I was bunking the class.This interesting question is from Command Substitution and Shell Variables topic in division The Shell of Unix
The variable assignment as x = 10 (whitespace on both sides of =) will work if we are not using C shell?(a) True(b) FalseI have been asked this question in a national level competition.This interesting question is from Command Substitution and Shell Variables in division The Shell of Unix
readonly command is used to protect a variable from reassignment.(a) True(b) FalseI have been asked this question in homework.The above asked question is from Command Substitution and Shell Variables topic in portion The Shell of Unix
Which of the following is a correct initialization of variables to null strings?(a) x=(b) x=’ ‘(c) x=” “(d) x=, x=’ ‘, x=” “The question was posed to me by my college director while I was bunking the class.I want to ask this question from Command Substitution and Shell Variables topic in chapter The Shell of Unix
A variable can be removed using _____(a) unset(b) readonly(c) del(d) bashI have been asked this question during a job interview.This question is from Command Substitution and Shell Variables in chapter The Shell of Unix
Which symbol is used for assigning a value to variables?(a) $(b) &(c) =(d) @I have been asked this question in an internship interview.My question is taken from Command Substitution and Shell Variables topic in section The Shell of Unix
Which symbol is used for evaluation of variables?(a) $(b) &(c) =(d) @The question was asked in an interview for job.My question is taken from Command Substitution and Shell Variables topic in portion The Shell of Unix

On a UNIX system, there can be ____ shells running simultaneously.(a) 1(b) 2(c) many(d) 4This question was addressed to me in an online interview.This intriguing question comes from Shell Basics topic in chapter The Shell of Unix

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment