adplus-dvertising
frame-decoration

Question

Which symbol is used with the set command for command substitution?

a.

b.

c.

??

d.

_

Posted under UNIX

Answer: (b).

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which symbol is used with the set command for command substitution?

Similar Questions

Discover Related MCQs

Q. The ____ allows us to read data from the same file containing the script.

Q. Which of the following command doesn’t accept a filename as an argument?

Q. We can use the here document with interactive programs also.

Q. Any command using standard input can take the input from here document.

Q. ____ command is the appropriate way to interrupt a program.

Q. Suppose x =10, then what will be the value of x$x$?

Q. Given x=10 then,

x$x$ == $x$x.

The given statement is ____

Q. A shell script stopped running when we change its name. Why?

Q. Where is the exit status of a command stored?

Q. Which of the following is false ?

Q. test statement cannot ______

Q. ____ option is used with test for checking if the file exists and has the size greater than zero.

Q. Every time shift command is used, the leftmost variable is lost.

Q. User’s environment mode created using su – is terminated using ____

Q. Which command is used by the system administrator to set the date of the system?

Q. ____ command allows superuser to communicate with users.

Q. ____ command is used for setting limits on file size.

Q. The access to the use of at and batch is restricted and controlled by ___ and ____

Q. If both at.allow and at.deny are not present, only the system administrator can access at and batch command.

Q. ____ command is used by the superuser for changing root’s password.