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In computing, echo is a command that outputs the strings that are passed to it as arguments. It is a command available in various operating system shells and typically used in shell scripts and batch files to output status text to the screen [1] or a computer file, or as a source part of a pipeline.
The ECHO command prints its own arguments back out to the DOS equivalent of the standard output stream. (Hence the name, ECHO) Usually, this means directly to the screen, but the output of echo can be redirected, like any other command, to files or devices. Often used in batch files to print text out to the user.
A batch file is a script file in DOS, OS/2 and Microsoft Windows. ... The command ECHO OFF turns off the prompt permanently, or until it is turned on again.
Deletes a file. When used on a directory, deletes all files inside the directory only. In comparison, the external command DELTREE deletes all subdirectories and files inside a directory as well as the directory itself. DIR Lists the files in the specified directory. ECHO Toggles whether text is displayed (ECHO ON) or not (ECHO OFF).
echo off rem This batch file deletes all .txt files in a specified directory pushd %1 del *.txt popd echo All text files deleted in the %1 directory Syntax
5. Club Sub. I respect that Mike knows that a club sandwich needs mayo, and adds it here. That’s a little thing called knowing your product. The bacon’s great, the turkey’s great, and the ...
The term is also used more generally to mean the automated mode of running an operating system shell; each operating system uses a particular name for these functions including batch files (MSDos-Win95 stream, OS/2), command procedures (VMS), and shell scripts (Windows NT stream and third-party derivatives like 4NT—article is at cmd.exe), and ...
Key Points. Your Social Security filing age helps determine what your monthly benefit looks like. Consider your level of savings and health/lifespan when making your choice.