User’s environment mode created using su – is terminated using . . . . . . .
User’s environment mode created using su – is terminated using . . . . . . . .
. . . . . . . . command displays all the variables available in the current shel
. . . . . . . . command displays all the variables available in the current shell.
To write selected lines, . . . . . . . . is used with sed.
To write selected lines, . . . . . . . . is used with sed.
Which command is used for running jobs in the background?
Which command is used for running jobs in the background?
The root directory is represented by . . . . . . . .
The root directory is represented by . . . . . . . .
Redirection is a process of switching of the standard stream of data.
Redirection is a process of switching of the standard stream of data.
Which of the following is used for storing the number of positional parameters?
Which of the following is used for storing the number of positional parameters?
-a option is used with ls command for what purpose?
-a option is used with ls command for what purpose?
Every shell uses at least one startup script in the user’s home directory, which
Every shell uses at least one startup script in the user’s home directory, which is executed when the user logs in.
Which of the following cryptic symbols are used in relative pathname?
Which of the following cryptic symbols are used in relative pathname?
Which command is used for changing filename extensions?
Which command is used for changing filename extensions?
-u option sorts the files according to . . . . . . . .
-u option sorts the files according to . . . . . . . .