Microsoft Docs | Command redirection operators (Wayback)
| Operator | Description |
|---|---|
> |
Writes the command output to a file or a device, such as a printer, instead of the Command Prompt window. |
< |
Reads the command input from a file, instead of reading input from the keyboard. |
>> |
Appends the command output to the end of a file without deleting the information that is already in the file. |
>& |
Writes the output from one handle to the input of another handle. |
<& |
Reads the input from one handle and writes it to the output of another handle. |
| |
Reads the output from one command and writes it to the input of another command. Also known as a pipe. |
Handle | Numeric | Description — | — | — STDIN | 0 | Keyboard input STDOUT | 1 | Output to the Command Prompt window STDERR | 2 | Error output to the Command Prompt window UNDEFINED | 3-9 | These handles are defined individually by the application and are specific to each tool.
Redirect Your DOS command 2> nul