Additional Resources

To learn more about gathering system information, refer to the following resources:

• ps --help — Displays a list of options that can be used with ps.

• /proc — The contents of the /proc directory can also be used to gather more detailed system information. See Chapter 23 for more information about the /proc directory.

• top manual page — Type man top at a shell prompt to learn more about top and its many options.

• free manual page — Type man free at a shell prompt to learn more about free and its many options.

• df manual page — Type man df at a shell prompt to learn more about the df command and its many options.

• du manual page — Type man du at a shell prompt to learn more about the du command and its many options.