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Switch On |
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Power to Motherboard |
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ROM Chips do POST |
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I/O Set up |
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System seeks MBR (Boot sector) |
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PUTS data there in RAM |
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System gets additional Operating System files as
told by MBR |
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MBR Found and as above seconday loader put in
RAM |
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Secondary Loader moves IO.SYS and MSDOS.SYS into
memory from HD |
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DOS checks for CONFIG.SYS |
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IF FOUND system reconfigured as told |
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DOS Loads COMMAND.COM |
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Checks for AUTOEXEC.BAT in root |
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IF Found command.com carries out commands
included. |
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IF Not Found Command.com displays date and time
prompts. |
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DEVICE=C:\WINDOWS\HIMEM.SYS |
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DOS=HIGH, UMB |
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DEVICE = EMM386.EXE NOEMS |
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DEVICEHIGH=C:\DOS\SETVER.EXE |
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STACKS=9,256 |
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rem DEVICEHIGH = C:\DOS\ANSI.SYS |
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FILES=99 |
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DEVICE=C:\MTM\MTMCDAI.SYS /D:MTMIDE01 |
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DEVICE=aspippa3.SYS |
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rem means comment..above for zip drive |
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C:\WINDOWS\COMMAND\MSCDEX.EXE /D:MTMIDE01 /M:10
/L:F |
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ECHO OFF |
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PROMPT $p$g |
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PATH A:\;C:\WINDOWS;C:\;c:\DOS |
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loadhigh C:\WINDOWS\mouse.COM /Y |
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guest |
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DOS Syntax includes a Command, a space, a from, a
space, and a to, or a where, a space, and optionally a / and a switch |
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Format A:\
Formats a Floppy A:\ is the what |
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Format A:\ /S Formats and puts operating system files on the floppy |
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/S is a DOS Switch. It adds the operating system to the disk |
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A Switch Modifies a DOS Command |
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CHKDSK C:
Checks and Repairs HD and tells condition, size and available room |
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CHKDSK C: /F |
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Chkdsk Switch to fix lost chains |
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Fix Disk |
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Check Capacity & Room |
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Check RAM |
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ATTRIB A: |
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Shows hidden files |
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Changes attributes of files |
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System |
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Hidden |
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Read Only |
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Archive |
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Sets the places where DOS looks for command
files |
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PATH=C:\;C:\DOS |
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Each separate path is separated by a ; |
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Usually put in autoexec.bat |
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Without path must specify files location |
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E.G: |
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C:\DOS\FORMAT A: |
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RM C:\DOCS
or RMDIR C:\DOCS |
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Removes the indicated directory |
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The directory must be empty of files first |
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Easy way is to DEL C:\DOCS\*.* first |
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DELTREE C:\DOCS |
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Removes the directory and files |
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Also removes any subdirectories! |
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Dangerous if not used properly! |
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REN myfile.bak newfile.tem |
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Can rename a file to a new name! |
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REN C:\DOCS\LETTER.DOC LETTER2 |
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SYNTAX |
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REN old file spec space new file spec |
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TREE C:\DOS |
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TREE A:\ |
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Shows structure of indicated path |
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Syntax |
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TREE space DISK and/or DIRECTORY |
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Notes
