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Windows NT4 / XP / 7 Help

For old MSDOS commands, see DOS Command reference

ASSOC     Displays or modifies file extension associations
AT     Schedules commands and programs to run on a computer.
ATTRIB     Displays or changes file attributes.
BREAK     Sets or clears extended CTRL+C checking.
CACLS     Displays or modifies access control lists (ACLs) of files.
CALL     Calls one batch program from another.
CD     Displays the name of or changes the current directory.
CHCP     Displays or sets the active code page number.
CHDIR     Displays the name of or changes the current directory.
CHKDSK     Checks a disk and displays a status report.
CLS     Clears the screen.
CMD     Starts a new instance of the Windows NT command interpreter.
COLOR     Sets the default console foreground and background colors.
COMP     Compares the contents of two files or sets of files.
COMPACT     Displays or alters the compression of files on NTFS partitions.
CONVERT     Converts FAT volumes to NTFS. You cannot convert the current drive.
COPY     Copies one or more files to another location.
DATE     Displays or sets the date.
DEL     Deletes one or more files.
DIR     Displays a list of files and subdirectories in a directory.
DISKCOMP     Compares the contents of two floppy disks.
DISKCOPY     Copies the contents of one floppy disk to another.
DOSKEY     Edits command lines, recalls Windows NT commands, and creates macros.
ECHO     Displays messages, or turns command echoing on or off.
ENDLOCAL     Ends localization of environment changes in a batch file.
ERASE     Deletes one or more files.
EXIT     Quits the CMD.EXE program (command interpreter).
EXTRACT Unpacks files from .CAB archives.
FC     Compares two files or sets of files, and displays the differences between them.
FIND     Searches for a text string in a file or files.
FINDSTR     Searches for strings in files.
FOR     Runs a specified command for each file in a set of files.
FORMAT     Formats a disk for use with Windows NT.
FTYPE     Displays or modifies file types used in file extension associations.
GOTO     Directs the Windows NT command interpreter to a labeled line in a batch program.
GRAFTABL     Enables Windows NT to display an extended character set in graphics mode.
HELP     Provides Help information for Windows NT commands.
IF     Performs conditional processing in batch programs.
KEYB     Configures a keyboard for a specific language.
KILL Stops currently running processes
LABEL     Creates, changes, or deletes the volume label of a disk.
MD     Creates a directory.
MKDIR     Creates a directory.
MODE     Configures a system device.
MORE     Displays output one screen at a time.
MOVE     Moves one or more files from one directory to another directory on the same drive.
PATH     Displays or sets a search path for executable files.
PAUSE     Suspends processing of a batch file and displays a message.
POPD     Restores the previous value of the current directory saved by PUSHD.
PRINT     Prints a text file.
PROMPT     Changes the Windows NT command prompt.
PUSHD     Saves the current directory then changes it.
RD     Removes a directory.
RECOVER     Recovers readable information from a bad or defective disk.
REM     Records comments (remarks) in batch files or CONFIG.SYS.
REN     Renames a file or files.
RENAME     Renames a file or files.
REPLACE     Replaces files.
RESTORE     Restores files that were backed up by using the BACKUP command.
RMDIR     Removes a directory.
SET     Displays, sets, or removes Windows NT environment variables.
SETLOCAL     Begins localization of environment changes in a batch file.
SHIFT     Shifts the position of replaceable parameters in batch files.
SORT     Sorts input.
START     Starts a separate window to run a specified program or command.
SUBST     Associates a path with a drive letter.
TIME     Displays or sets the system time.
TITLE     Sets the window title for a CMD.EXE session.
TLIST Lists currently running processes
TREE     Graphically displays the directory structure of a drive or path.
TYPE     Displays the contents of a text file.
VER     Displays the Windows NT version.
VERIFY     Tells Windows NT whether to verify that your files are written correctly to a disk.
VOL     Displays a disk volume label and serial number.
XCOPY     Copies files and directory trees.

 

This HTML help file was generated by:
AllHelp.bat, Version 1.24 for Windows NT 4 / 2000 / XP
Written by Rob van der Woude
http://www.robvanderwoude.com

And modified by Massmind members to add information and notes.

See also:

Dates in NT Batch Files. +

Conditional symboles and the compatibility issues they cause

Brackets (multiline commands)

Command line Serial Communications

Redirecting both stdout and stderr

NT allows the selective redirection of the standard input (stdin), standard output (stdout) and standard error (stderr) files by reference to their file handles: 0 = stdin, 1 = stdout, 2 = stderr. A command such as
SAMPLE.CMD >SAMPLE.LOG
works as it did under MS-DOS, capturing all output that SAMPLE.CMD writes to the stdout file. In Windows NT, you could also use the following equivalent:
SAMPLE.CMD 1>SAMPLE.LOG
However, most programs send their most important diagnostic information to the standard error file, rather than standard output. To capture both stdout and stderr, you could use:
SAMPLE.CMD 1>SAMPOUT.LOG 2>SAMPERR.LOG
To capture both stdout and stderr to the same file, redirect stderr to the stdout file handle:
SAMPLE.CMD 1>SAMPLE.LOG 2>&1

This is probably most useful in scheduled tasks.

This syntax can lead to misinterpretation when the command being redirected ends with a number. For example:
echo test 2>test.txt

Will actually echo "test" to the console and create an empty test.txt file. To compensate, surround the command in ()
(echo test 2)>test.txt

or place the destination first
>test.txt echo test 2



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