Dos Commands
DOS COMMANDS
Basic DOS commands
To clear your screen (Type CLS to clear your screen)
C:\>CLS
Fast Help after each command types /? after each commands
C:\>DIR /?
File Management Commands
DIR - to display all your DOS directories
C:\>DIR
DIR switches
DIR switches in details
/P Pauses after each screenful of information.
/W Uses wide list format.
/A Displays files with specified attributes. attributes D Directories R Read-only files
H Hidden files A Files ready for archiving
S System files - Prefix meaning not
/O List by files in sorted order. sortorder N By name (alphabetic) S By size (smallest first)
E By extension (alphabetic) D By date & time (earliest first)
G Group directories first - Prefix to reverse order
A By Last Access Date (earliest first)
/S Displays files in specified directory and all subdirectories.
/B Uses bare format (no heading information or summary).
/L Uses lowercase.
/V Verbose mode.
/4 Displays year with 4 digits (ignored if /V also given).
Switches may be preset in the DIRCMD environment variable. Override preset switches by prefixing any switch with - (hyphen)--for example, /-W. To create a directory
C:\>MD or MKDIR example (we just created a directory called example)
File Naming Convention
All DOS file names have a maximum length of 8 characters followed by an optional extension with a maximum length of 3 characters.
Example: AUTOEXEC.BAT
The following characters are reserved and cannot be used in an MS DOS environment
Colon:
Semicolon;
Slashes / \
Spaces
Greater than >
Less than <
Question mark?
Asterisk *
Period.
Dollar sign $
Quotes marks " "
Apostrophes ' '
Pipe sign |
Valid DOS names
AUTOEXEC.BAT, CONFIG.SYS, NAME.DOC, HELLO.TXT
Invalid DOS names
AUTOEXEC233.BAT, <Good>.EXE, NAME$. DOC
To remove a directory
C:\>RD or RMDIR example (removes the example directory)
To change a directory
C:\>CD or CHDIR example (press enter)
C:\>EXAMPLE ( I
Basic DOS commands
To clear your screen (Type CLS to clear your screen)
C:\>CLS
Fast Help after each command types /? after each commands
C:\>DIR /?
File Management Commands
DIR - to display all your DOS directories
C:\>DIR
DIR switches
DIR switches in details
/P Pauses after each screenful of information.
/W Uses wide list format.
/A Displays files with specified attributes. attributes D Directories R Read-only files
H Hidden files A Files ready for archiving
S System files - Prefix meaning not
/O List by files in sorted order. sortorder N By name (alphabetic) S By size (smallest first)
E By extension (alphabetic) D By date & time (earliest first)
G Group directories first - Prefix to reverse order
A By Last Access Date (earliest first)
/S Displays files in specified directory and all subdirectories.
/B Uses bare format (no heading information or summary).
/L Uses lowercase.
/V Verbose mode.
/4 Displays year with 4 digits (ignored if /V also given).
Switches may be preset in the DIRCMD environment variable. Override preset switches by prefixing any switch with - (hyphen)--for example, /-W. To create a directory
C:\>MD or MKDIR example (we just created a directory called example)
File Naming Convention
All DOS file names have a maximum length of 8 characters followed by an optional extension with a maximum length of 3 characters.
Example: AUTOEXEC.BAT
The following characters are reserved and cannot be used in an MS DOS environment
Colon:
Semicolon;
Slashes / \
Spaces
Greater than >
Less than <
Question mark?
Asterisk *
Period.
Dollar sign $
Quotes marks " "
Apostrophes ' '
Pipe sign |
Valid DOS names
AUTOEXEC.BAT, CONFIG.SYS, NAME.DOC, HELLO.TXT
Invalid DOS names
AUTOEXEC233.BAT, <Good>.EXE, NAME$. DOC
To remove a directory
C:\>RD or RMDIR example (removes the example directory)
To change a directory
C:\>CD or CHDIR example (press enter)
C:\>EXAMPLE ( I