Time: Show and modify times
[Applicable occasion] used to display and modify the time, use the same date
Example
C:\dos>time
Current time is 12:15:26.04a
Enter New time:11:20:20.00p
On time: In-order input times, plus the afternoon (a/p) can be directly pressed enter key to ignore the modification time.
Set: Setting Environment variables
[Applicable occasions] to set the sound card and path to use when
[Usage]set [environment variable]=[string]
This order is often used in Autoexec.bat.
Example
C:\>set blaster=a220 i5 d1//Set the parameters of the sound card
C:\>set path=c:\dos//path c:\dos meaning the same
SMARTDRV: Setting up the disk accelerator
[Recommended] It can improve the speed of hard disk access, preferably in the Autoexec.bat file load it.
Usage
smartdrv/x
It is a more common method to execute and host memory, to open disk acceleration buffers, and to block all drive caches (this is generally enough for this command).
SMARTDRV/C//write the information in the cache to the hard drive This article comes from http://bianceng.cn (learn computer)
SMARTDRV/E: Number//Set the amount of information moved at a time
smartdrv/b: Number//Set pre-read buffer size