1988 Re: ACLs cause Systems Manager to be Hung in comp.os.vms (Usenet newsgroup) 22 Jan. Mostly you can prevent it by backup/save/restore (refresh) or by running a defrag utility.

1994 Windows Mag. (Nexis) 1 Nov. 193 If you're a heavy user and frequently work with lots of small files, you should probably do a complete defrag of your hard disk about once a month.

2002 Daily Tel. 27 Aug. 28/6 Maybe you leave it running to collect e-mails or carry out a defrag.

1989 A New Topic—Tuning News in news.software.anu-news (Usenet newsgroup) 28 Oct. I can certainly feel it when the defrag isn't running, performance drops.

1996 Washington Post (Nexis) 30 Sept. r25 I have used the resident defrag for almost a year with no problem.

2003 Houston Chron. (Nexis) 16 July 3 It..has some excellent disk utilities, including a more advanced defrag called Speed Disk.

1988 20 Meg versus 40 Meg in comp.sys.mac (Usenet newsgroup) 19 Feb. There are at least two programs which will defrag a ‘virtual disk’.

1990 San Francisco Chron. (Nexis) 8 Oct. f10 Michael announced that it was time for him to defrag my hard disk.

1995 Desktop Publishers Jrnl. July 43/2 Go out of your way to maintain your drives by defragging and ‘disk doctoring’.

2001 My Business May 50/2 Learn to defrag and scan your hard disk regularly.

1989 Hard Drive Defragger in comp.sys.atari.st (Usenet newsgroup) 7 Sept. I have had no problems yet. But you should backup your HD before using any defragging program.

1989 Defragging a Hard Disk in comp.sys.atari.st (Usenet newsgroup) 27 Sept. With regard to my posting about defragging, here's a caution.

1997 T3 Jan. 33/1 Windows 95 comes with its own perfectly capable defragging program.