Processes and Cron Jobs2

•1. Launch the command dd if=/dev/zero of=/dev/null three times as a •background job.

•2. Increase the priority of one of these commands using the nice value -5. •Change the priority of the same process again, but this time use the value -15. •Observe the difference.

•3. Kill all the dd processes you just started. •

• 4. use the appropriate command to  create a file /tmp/testfile at 5 minutes from now

• 5. use the appropriate solution to run the fstrim command on a daily basis

• 6. ensure that as user “server_admin” on a daily basis at 4pm the message “hello” is written to syslog (hint use logger hello in place for command) • •##In not less than 250 words explain how profitable cron jobs are to you as a Linux Admin.