Shell variables are of . . . . . . . . types.

Shell variables are of . . . . . . . . types.

Which one of the following is not an attribute displayed by ls command?

Which one of the following is not an attribute displayed by ls command?

What is the significance of errno 13?

What is the significance of errno 13?

To return back to the editor from shell prompt we use . . . . . . . . command.

To return back to the editor from shell prompt we use . . . . . . . . command.

Which command is used for removing/deleting files in UNIX?

Which command is used for removing/deleting files in UNIX?

tee is an internal command.

tee is an internal command.

When multiple filenames are used with vi, we can switch to next file using . . .

When multiple filenames are used with vi, we can switch to next file using . . . . . . . . command.

We cannot leave the flag field empty while performing the substitution.

We cannot leave the flag field empty while performing the substitution.

Which option is used with sort command to specify the field delimiter?

Which option is used with sort command to specify the field delimiter?

. . . . . . . . section can be used if we’ve to print something after processing

. . . . . . . . section can be used if we’ve to print something after processing the last line.

perl also supports use of for loop in the following manner. for($i=0;$i

perl also supports use of for loop in the following manner. for($i=0;$i

case statement should have a corresponding closing esac.

case statement should have a corresponding closing esac.