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This article mainly explains the usage of time, set and smartdrv commands under linux. The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn the usage of time, set and smartdrv commands under linux.

Time display and modification time

[applicable] is used to display and modify time, and its usage is the same as date

[example] C:\ DOS > time 

Current time is 12:15:26.04a

Enter new time: 11:20:20.00p

On time: enter the time in sequence, plus in the afternoon (an ENTER p), you can press the time key directly to ignore it.

Modification time.

Set sets environment variables

[applicable] when setting up sound cards and paths, etc.

[usage] set [environment variable] = [string]

This command is often used in autoexec.bat

C:\ > set blaster=a220 i5 D1 sets the parameters of the sound card

C:\ > set path=c:\ dos path c:\ dos has the same meaning

Smartdrv setup disk Accelerator

[suggestion] it can improve the access speed of the hard disk, it is best to load it in the autoexec.bat file.

Smartdrv / x

Execute and reside in memory, open disk acceleration cache, and mask all drive caches, yes

More commonly used methods (usually this command is enough)

Smartdrv / c writes all the information in the cache to the hard disk

Smartdrv / e: digitally sets the amount of information to be moved at a time

Smartdrv / b: digits set the buffer size to be read in advance

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