Q. Which of the following is false ?

View solution

Q. test statement cannot ______

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. ____ command allows superuser to communicate with users.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Applications of Shell programming include

View solution

Q. The name of the Unix scheduling utility is

View solution

Q. Examples of repetitive tasks performed by system administrators

View solution

Q. Another term for shell programs is

View solution

Q. Shell programs are

View solution

Q. A shell program is a

View solution

Q. The Unix slang for " #! " is

View solution

Q. Comments in a shell program are important because

View solution

Q. Which of the following is not true of program variables

View solution