Usage of Expand, FASTHELP, FC commands _dos/bat

Source: Internet
Author: User
Tags goto
Expand Decompression Tool

[Applicable occasions] Microsoft software Original installation disk has many suffixes to "_" the end of the compressed file, you can
Use it to decompress and relieve you of the trouble caused by a few missing files.

[Usage] expand [source filename] [destination file]


[Example] C:\>expand a:vsafe.co_ c:\dos\vsafe.com

 decompression Vsafe.co_ for vsafe.com files

Microsoft (R) File expansion Utility Version 2.10
Copyright (C) Microsoft Corp. 1990-1993. All rights
Reserved.

Expanding A:vsafe.co_ to c:\dos\vsafe.com. A:vsafe.co_:
33046 bytes expanded to 62576 bytes, 89% increase.

C:\dos>

Fasthelp Quick display of help information

[Suggest] You can look at all the commands, for a single command, as well as after the command name plus/? parameters
Convenient

[Usage] FASTHELP lists the usefulness of all DOS commands

fasthelp [command name] shows the use of a command, equivalent to [command name]/?

FC File Comparisons

[Suggested] Maybe for most people it's never going to work.

[usage] FC [filename 1] [file name 2] compare two files differently
Parameter also: a C l lbn N T w nnnn

[Example] C:\TEST>FC a.bat B.bat
Comparing Files A.bat and B.bat
A.bat
Choice/c:dme Defrag,mem,end
if errorlevel 3 goto defrag
if errorlevel 2 goto MEM
If Errotlevel 1 goto end
B.bat Choice/c:dme Defrag,mem,end
C:\test>

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