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DEFRAG.DOC
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1993-12-14
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HIGHER CAPACITY DEFRAGMENTING
The new DOS 6.2 DEFRAG program can defragment disks with
almost twice as many files as the DOS 6.0 DEFRAG program.
With DOS 6.2 the limit is about 20,000 files. A drive
becomes fragmented with active use. A drive is
fragmented when files are not stored in an efficient
manner. This tends to slow down the drive and makes
tasks take longer than they would if the drive were not
fragmented. It should be noted that defragmentation is
also called disk optimization.
Not until DOS 6.0 did Microsoft provide a defragmentation
program. There are probably millions of really sick hard
drives operating around the world. You can usually tell
if your hard drive is sick by using the DOS CHKDSK
command. See pages 56 - 57 in LEARNING DOS FOR THE
COMPLETE NOVICE, 2nd Edition. With DOS 6.2 you should
use the SCANDISK command to check your hard drive. The
DEFRAG program reorganizes files to optimize disk
performance. You should defragment your hard drive(s) at
least once a month. Defragmenting should be considered
routine hard drive maintenance.
You should not try to run the DEFRAG program from within
Windows or use it on network drives. It should also be
noted that defragmenting a large hard drive can take a
very long time. For more information about the DOS
DEFRAG command at the system prompt, type:
help defrag <ENTER>