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