RH033 Reviews Questions

The Evolution and Mozilla are the Graphical Mail clients in Red Hat Enterprise Linux.

The jobs command lists the jobs that are running in the background and in the foreground. If the prompt is returned with no information, no jobs are present.

Syntax:

jobs [-p | -l] [-n] [-p] [-x] [job id]

Some important options used with jobs command are as follows:

Answer option A is incorrect. The top command is used to produce a frequently-updated list of processes. By default, the processes are ordered by percentage of CPU usage, with only the "top" CPU consumers shown. This command shows how much processing power and memory are being used, as well as other information about the running processes. The following figure demonstrates the output of the top command:

Answer option B is incorrect. The bg command can be used to resume in the background when a process is suspended.

Answer option C is incorrect. There is no such command as job.

This command looks for files on the system whose data has been changed exactly five days ago.

According to the scenario, John will execute the foo && bar; command. Because of the && operator, bar will execute if and only if foo completes successfully.

Answer option C is incorrect. The foo; bar; command sequence will run foo and bar in a sequential manner, but the successful completion of the first command does not matter.

Answer option D is incorrect. The foo || bar; command sequence will run the bar if and only if foo fails to complete successfully.

Answer option B is incorrect. In the foo | bar; command sequence, the output of the foo command will be the input for the bar command.