In this hands-on project, you find information about commands using online help utilitie...

In this hands-on project, you find information about commands using online help utilities, and you log out of your shell.

1. Press Ctrl+Alt+F2 to switch to a command-line terminal (tty2), and then log in to the terminal using the user name root and the password secret.

2. At the command prompt, type man –k cron and press Enter to view a list of manual pages that have the word “cron” in the name or description. Use Table 2-9 to determine what type of manual pages is displayed. How many manual pages are there for the crontab command? Are they different types of manual pages?

If you do not see any output from the man –k command, run the makewhatis command to index the manual pages.

3. At the command prompt, type man crontab and press Enter to view the manual page for the crontab command. Observe the syntax of the crontab command and press q when finished to quit the manual page and return to your command prompt.

4. At the command prompt, type man 5 crontab and press Enter to view the manual page for the crontab file format. Observe the syntax of the crontab file format and press q when finished to quit the manual page and return to your command prompt.

5. At the command prompt, type info and press Enter to view a list of available GNU info pages. When finished, press q to quit the info utility.

6. At the command prompt, type info date and press Enter to view syntax information regarding the date command, and press q to quit the info utility when finished.

7. At the command prompt, type help to view a list of BASH shell functions that have documentation. Because the list is too long for your terminal, press the Shift and Page Up keys simultaneously to shift one page up to view the top of the list. Then press the Shift and Page Down keys simultaneously to shift one page down to view your command prompt again.

8. At the command prompt, type help exit to view information on the exit command, a function of your BASH shell.

9. Type exit and press Enter to log out of your shell.