Q. Wildcards are special characters which are used to replace or represent one or more characters.

View solution

Q. Which of the following is not a wild-card?

View solution

Q. What does the following command do?
$ echo *

View solution

Q. Which command would be most suitable to remove the following files?
dirx diry dirz dirzw

View solution

Q. Which of the following files will not be deleted using “rm chap??” ?

View solution

Q. Which of the following command will list all the hidden filenames in our directory having at least three characters after the dot (.) ?

View solution

Q. * and ? cannot match ____

View solution

Q. rm chap0[1234] will delete all of the following files.

chap01 chap02 chap03 chap04

View solution

Q. Which of the following files will not be listed using the following command?

ls chap0[1-4]

View solution

Q. Which of the following symbol is used for negating the character class?

View solution

Q. Which of the following shell doesn’t support ! symbol for negating the character class?

View solution

Q. The command cd * will work.

View solution

Q. Providing a backslash (\) before the wild card to remove its special meaning is called _____

View solution

Q. Enclosing the wild card or the entire pattern within quotes is called ___

View solution

Q. Redirection is a process of switching of the standard stream of data.

View solution

Q. How many files are used for representing different streams?

View solution

Q. Which stream is connected to the display?

View solution

Q. Which stream is used for representing error messages?

View solution

Q. The command wc < sample.txt will count data from the file sample.txt.

View solution

Q. Which symbol is used for taking input from both file and standard input?

View solution