Backup diff of crontab (No. 1)

• Backup list
• View the diff current.
• View the diff for visual.
• View the source.
• View the backup.
• Go to crontab.
  • 1 (2014-04-29 (Tue) 17:33:18)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

- crontab -r とやってしまった時の対処法 
--  http://blog.cles.jp/item/3303