How to use the time, set, and smartdrv commands

Time Display and modification time

[Applicable] is used to display and modify the time. The usage is the same as date.

[Example] c: \ dos> time
Current Time is 12:15:26. 04a
Enter New Time: 11:20:20. 00 p

Time: Enter the time in sequence, and then press enter in the afternoon (A/P) to ignore it.
Modification time.

Set Environment Variables

[Applicable] used to set sound cards and paths

[Usage] Set [environment variable] = [String]

This command is often used in autoexec. bat.

[Example] c: \> set blaster = a220 I5 D1 set sound card Parameters

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

Smartdrv sets the disk accelerator

[Suggestion] It can improve the hard disk access speed. It is best to load it in the autoexec. BAT file.

[Usage] smartdrv/x

Execute and resident memory, open the disk acceleration cache area, and shield all drive caches. Yes
More common methods (generally, this command is enough)

Smartdrv/C writes information in the cache to the hard disk.

Smartdrv/E: Number to set the amount of information to be moved at a time

Smartdrv/B: Number to set the buffer size for pre-read