msdos basics
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MS-DOS
Microsoft Disk Operating System
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Functions of MS-DOS Booting the Computer
Interaction with application programs and
their control
Interaction with Hardware
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DOS Architecture BIOS (Basic Input Output System) It is
specific to the individual computer and is provided by themanufacturer of the system.
DOS Kernel The Kernel is a software supplied byMicrosoft that provides a collection of Microsoftindependent services called the system functions.
Command Processor (Shell) Shell is the userinterface to the operating system. It processes andexecutes the user commands, including loading andexecuting of other programs from the disk.
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MS-DOS provides two types of commands-
Internal Command These are memory
resident command. These are automaticallyloaded into the computers main memory duringthe booting process.
External Command These are also called disk
resident commands. These are found in separatefile on the hard disk, so that they dont consumevaluable memory space.
Commands
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Internal Commands Date displays date and promts to change.
Syntax - DATE[mm-dd-yy]
Time- displays system time.Syntax TIME
CLS shows only the comand prompt.
Syntax CLS VER- displays the MS-DOS version number.
Syntax - VER
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Internal commands VOL
Syntax VOL[drive]
DIR Disk Information ReportSyntax DIR[drive:] [Path] [file name] [/P] [/W][/A[[:]attribute]] [/O sort order]
Switches
/P displays one screen at a time
/W displays in wide format
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Internal Commands
/A attributes H, -H, S, -S, D, -D, R, -R.
/O [:] Sort order N, -N, E, -E, D, -D, S.
COPY CON to create file
Syntax COPY CON
MD or MK DIR to create a directory
Syntax MKDIR [drive:] path
MD [drive:] path
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Internal command TYPE displays the contents of a text file
Syntax TYPE [drive:] [path] file name
CD or CH DIR displays name of the currentdirectory.Syntax CD [drive:] [path]
DELSyntax DEL [drive:] [path] [file name]/p
RMDIRor RD- deletes or removes a directory.Syntax RMDIR [drive:] [path]
RD [drive:] [path]
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Internal Command REN to rename a file.
Syntax RENAME [drive:] [path] filename1filename2
COPY
Syntax Copy [/y:/-y] source file destination file
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External Command CHKDSK
Syntax CHKDSK [drive:] [[path] filename] [/F][/V]
XCOPY
Syntax Xcopy source destination [/y /-y]
TREE
Syntax TREE [drive:] [path] [/f]
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External Command MOVE
Syntax MOVE [/Y:/-Y] [drive:] [path] filename
ATTRIB- changes attributesSyntax ATTRIB [+R R] [+A A] [+S S] [+H-H] [[drive:][path] filename]
DOSKEY
Syntax - DOSKEY
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External Command DELTREE
Syntax DELTREE [/Y] [drive:] path
FINDSyntax FIND [/V] [/C] [/N] [/I] string[[drive:] [path] filename]
DISKCOPY
Syntax DISKCOPY [drive1: [drive:2]] [/1] [/V]
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External Command PRINT
Syntax PRINT [/D: device]
FORMATSyntax FORMAT drive:
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