Smart Dos



How it works: Jobs submitted for production are priced within two hours and made available to you for review, approval, and payment. We use a series of email notifications and job status updates to keep you informed throughout the entire process. Upon payment, your clients will instantly receive their electronic transcripts via the free SmartDeps repository, and hard copy transcripts with. Employee Code: Password: Forgot Password. Triton SmartOS eliminates the complexities associated with VM host dependent solutions. Built-in networking offers each container one or more network interfaces, so each container has a full IP stack and is a full peer on the network, eliminating port conflicts and making network management easy. SmartDrive (or SMARTDRV) is a disk caching program shipped with MS-DOS versions 4.01 through 6.22 and Windows 3.0 through Windows 3.11. It improves data transfer rates by storing frequently accessed data in random-access memory (RAM). Early versions of SmartDrive were loaded through a CONFIG.SYS device driver named SMARTDRV.SYS. Versions 4.0 and later were loaded through an executable file.

SMARTDrive (smartdrv) is a utility that can be loaded in the autoexec.bat to create a disk cache in conventional memory or extended memory. This utility is often used boot disks as it can greatly increase the speed of how MS-DOS accesses disk drives.

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Note

Those who are using Microsoft Windows instead of MS-DOS should not load this line in the autoexec.bat or while Windows is running. Users running Microsoft Windows 95 or 98 cannot load this command unless they are in an MS-DOS shell.

Availability

Smartdrv is an external command that is available for the following Microsoft operating systems as smartdrv.exe.

Smartdrv syntax

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Installs and configures the SMARTDrives disk-caching utility.

/XDisables write-behind caching for all drives.
driveSets the caching options on specific drive(s). The specified drive(s) have write-caching disabled unless you add +.
+Enables write-behind caching for the specified drive.
-Disables all caching for the specified drive.
/UDo not load CD-ROM caching module.
/CWrites all information currently in write-cache to hard disk.
/RClears the cache and restarts SMARTDrive.
/FWrites cached data before command prompt returns (default).
/NDoesn't write cached data before command prompt returns.
/LPrevents SMARTDrive from loading itself into upper memory.
/VDisplays SMARTDrive status messages when loading.
/QDoes not display status information.
/SDisplays additional information about SMARTDrive's status.
InitCacheSizeSpecifies XMS memory (KB) for the cache.
Extended memoryInitCacheSize value
1 MB or lessAll
1 MB to 2 MB1 MB
2 MB to 4 MB1 MB
4 MB to 6 MB2 MB
6 MB or more2 MB
WinCacheSizeSpecifies XMS memory (KB) for the cache with Windows. If this option is not specified, smartdrv will default the wincachesize to the amount of extended memory available. Below is a basic chart of what will be set.
Extended memoryWinCacheSize value
1 MB or less0
1 MB to 2 MB256 KB
2 MB to 4 MB512 KB
4 MB to 6 MB1 MB
6 MB or more2 MB
/E:ElementSizeSpecifies how many bytes of information to move at one time.
/B:BufferSizeSpecifies the size of the read-ahead buffer.

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Smartdrv examples

This command is to be placed in the autoexec.bat. It loads the smartdrv utility into memory, allows access to SMARTDrive, and disables the write-behind caching for all drives.

Step Program

Specifies a size to be used with smartdrv. When a cache size is not specified, smartdrv uses all extended or expanded memory.