Review questions

  1. What would happen to a user account if the default shell were changed to /bin/false?

  2. When a new account is created with useradd -m, what files are used to populate the new home directory?

  3. Compare and contrast the execution of /etc/profile and /etc/bashrc.

  4. Compare and contrast cron and at.

  5. Is there a cron command?

  6. Describe the format of a crontab file, describing each of the six fields.

  7. What does an asterisk mean in crontab fields 1 through 5?

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