DOCUMENT:Q33111 17-DEC-2000 [msdos] TITLE :Loading and Using COMMAND.COM from a RAMDrive PRODUCT :Microsoft Disk Operating System PROD/VER:MS-DOS:3.x,4.x,5.0,5.0a,6.0,6.2,6.21,6.22 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft MS-DOS operating system versions 3.1, 3.2, 3.21, 3.3, 3.3a, 4.0, 4.01, 5.0, 5.0a, 6.0, 6.2, 6.21, 6.22 ------------------------------------------------------------------------------- SUMMARY ======= When some programs exit, or shell out to MS-DOS, they need to reload the command interpreter, COMMAND.COM. To make the process of reloading the command interpreter more efficient, you can place COMMAND.COM on a RAMDrive. To do this, follow these steps: 1. In your AUTOEXEC.BAT batch file, copy the file COMMAND.COM to the RAMDrive. 2. Set the COMSPEC environment variable to point to the copy of COMMAND.COM on the RAMDrive. 3. Set the PATH environment variable to include COMMAND.COM's location on the RAMDrive. MORE INFORMATION ================ The following is an example of copying COMMAND.COM to a RAMDrive called E: COPY C:\COMMAND.COM E:\ SET COMSPEC=E:\COMMAND.COM SET PATH=E:\;... <--- Fill in the rest of your PATH Additional query words: 6.22 3.20 3.21 3.30 3.30a 4.00 5.00 5.00a 6.00 6.20 ====================================================================== Keywords : Technology : kbMSDOSSearch kbMSDOS321 kbMSDOS400 kbMSDOS320 kbMSDOS330a kbMSDOS621 kbMSDOS622 kbMSDOS620 kbMSDOS600 kbMSDOS310 kbMSDOS500 kbMSDOS330 kbMSDOS401 kbMSDOS500a Version : MS-DOS:3.x,4.x,5.0,5.0a,6.0,6.2,6.21,6.22 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.