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DOS学习入门 & 精彩文章 (教学室) » [Help] A few questions about msdos7.1, experts please advise!
Printable Version  1,321 / 6
Floor1 hunome Posted 2003-05-22 00:00
银牌会员 Posts 721 Credits 2,265
1. Does pccache do exactly the same thing as smartdrv? Are there any differences?
2. After loading mousclip, how do I use it? How do I copy and paste?
3. What is the difference between SHELL=A:\COMMAND.COM and SET COMSPEC=A:\COMMAND.COM?
4. Can IF %CONFIG%#==M6# be written as IF %CONFIG%==M6
5. Also, if there is no more space in umb, and I use LH to load a program, what will happen?
Floor2 Roy Posted 2003-05-22 00:00
管理员 Posts 1,633 Credits 4,869
The following is quoted from hunome's post at 2003-5-22 18:30:51:
3. What is the difference between SHELL=A:\COMMAND.COM and SET COMSPEC=A:\COMMAND.COM?
SHELL=A:\COMMAND.COM is used in config.sys to specify the shell
while SET COMSPEC=A:\COMMAND.COM is used to specify the shell for reload

The following is quoted from hunome's post at 2003-5-22 18:30:51:
4. Can IF %CONFIG%#==M6# be written as IF %CONFIG%==M6 
No, because the if command needs an ending symbol (terminator)

The following is quoted from hunome's post at 2003-5-22 18:30:51:
5. Also, if there is no more space in umb, and I use LH to load a program, what will happen?
It will be loaded into Conventional Memory
Floor3 Wengier Posted 2003-05-22 00:00
系统支持 Posts 10,521 Credits 27,736
Of course PC-CACHE and SMARTDRV can't possibly be exactly the same! PC-CACHE is quite a bit better to use than SMARTDRV.
Floor4 hunome Posted 2003-05-22 00:00
银牌会员 Posts 721 Credits 2,265
Then if installing 2000 under DOS, not loading smartdrv but loading pccache should also be okay, right.
Floor5 hunome Posted 2003-05-22 00:00
银牌会员 Posts 721 Credits 2,265
SHELL=A:\COMMAND.COM is used in config.sys to specify the shell
while SET COMSPEC=A:\COMMAND.COM is used to specify the shell for reload
------------------------------
Does that mean after the latter statement, the former one becomes invalid?
Floor6 Roy Posted 2003-05-22 00:00
管理员 Posts 1,633 Credits 4,869
Yes
Floor7 Wengier Posted 2003-05-22 00:00
系统支持 Posts 10,521 Credits 27,736
Although PC-CACHE has quite a few advantages compared with SMARTDRV, it also has one drawback, and that is that it does not support CD caching.
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