Fifth Generation Systems was a computer security company founded October 1984 in Baton Rouge, Louisiana , United States by Bob Mitchell, Leroy Mitchell, Roger Ivey, and Bruce Ray. All four later left the company. Fifth Generation’s initial commercial product was FastBack , the first practical hard disk backup program for the IBM PC.
Software by Fifth Generation Systems includes:
- CopyDoubler (Mac) – system utility for speeding up files
- DiskDoubler (Mac) – on-the-fly hard drive compression software
- DiskLock (Mac) – security software embedding access control and encryption 
- FastBack (PC, Mac) – hard disk backup utility
- Public Utilities (Mac) – software with disk optimization , repair, and data recovery functions, developed by Sentient Software  
- Pyro! (Mac) – screensaver that displayed fireworks among other user-selectable displays 
- Search & Destroy (PC) – online and offline virus scanner for Windows and DOS, included in Novell DOS 7
- Suitcase (Mac) – font management utility
- Super Laser Spool and Super Spool (Mac) – print spoolers , acquired from Supermac Technology in 1990 
- Direct Access – a menu system software for DOS.
The company was acquired by Symantec on October 4, 1993 for US $ 53.8 million. 
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