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1) IO.SYS is your system basic drivers for any pc. 2) MSDOS.SYS is what's loading the command.com 3) CoMMAND.COM is required to interprete DOS COMMAND. 4)CONFIG.SYs is what loads the drivers 5)AUTOEXEC.bat is what loads into memory TSR, and that it is the last file.
jchurst1 wrote: As the Beatles said in the song "do you want to know a secret"? You don't have to Memorize the boot sequence, just count the letters in each word IO.SYS =2, MSDOS.SYS=5, CONFIG.SYS=6, COMMAND.COM =7, AUTOEXEC.bat =8. Or, 1. IO= 2 2. MSDOS 5 3. CONFIG 6 4. COMMAND 7 5. AUTOEXEC 8 It's really not Rocket Science, just a natural Phenomenon. I don't even think Microsoft planned it that way.
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