What Is REM command in DOS?

What Is REM command in DOS?

REM [comment] Purpose: Provides a way to insert remarks (that will not be acted on) into a batch file. Discussion. During execution of a batch file, DOS will display (but not act on) comments which are entered on the line after the REM command. You cannot use separators in the comment except the space, tab, and comma.

How do you use the REM command?

1. REM must be followed by a space or tab character, then the comment.
2. If ECHO is ON, the comment is displayed.
3. You can also place a comment in a batch file by starting the comment line with two colons [::].
4. You can use REM to create a zero-byte file if you use a redirection symbol immediately after the REM command.

What does REM xcopy do?

Copies source files changed on or after the specified date only. If you do not include a MM-DD-YYYY value, xcopy copies all Source files that are newer than existing Destination files. This command-line option allows you to update files that have changed. Copies files from Source that exist on Destination only.

How do you display text in a batch file?

How to Display Text with a BAT File

1. Type in “edit” and press “Enter.”
2. Click “File” and then “Save.” Enter “my_batch. bat” and click “OK.” Click “File” and then “Exit.”
3. Type in “my_batch. bat” and press “Enter” to display the current date and time on the computer screen.

What is the function of REM command in basic?

Use the REM statement to insert a comment in a BASIC program. Comments explain or document various parts of a program. They are part of the source code only and are nonexecutable.

What is MD command?

The mkdir (make directory) command in the Unix, DOS, DR FlexOS, IBM OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory. In DOS, OS/2, Windows and ReactOS, the command is often abbreviated to md . The command is analogous to the Stratus OpenVOS create_dir command.

What does * * mean in CMD?

In this case, we used the * wildcard to mean “all files in the current directory”. This command prints the line containing the given string, and if there’s more than one file in the list, the name of the file where it was found.

What is use of REN command?

It is used to rename computer files and in some implementations (such as AmigaDOS) also directories. It can also move a file to a new path, if it is on the same device. It is analogous to the Unix mv command.

How do you show text in command prompt?

We can use the ‘type’ command to see file contents in cmd. More information can be found HERE. This opens the files in the default text editor in windows… This displays the file in the current window.

What Is REM code?

Short for remark, REM is a statement placed in system files such as the autoexec. bat to skip lines from loading. A remark is created by placing “REM” (followed by a space) in front of a line. Doing this remarks the line from loading and with batch files also doesn’t show the line if echo is off.

What Is REM statement with example?

Description. Use the REM statement to insert a comment in a BASIC program. Comments explain or document various parts of a program. They are part of the source code only and are nonexecutable. They do not affect the size of the object code.

How to add a comment to a REM file?

To include an explanatory comment before the prompt command in a config.sys file, type: To provide a comment about what a script does, type: rem The commands in this script set up 3 drives. rem The first drive is a primary partition and is rem assigned the letter D.

When to use REM in a batch file?

Usage: The REM command lets you place a remark or comment in a batch file. Batch file comments are useful for documenting the purpose of a batch file and the procedures you have used.

What is the purpose of the REM command?

The REM command lets you place a remark or comment in a batch file. Batch file comments are useful for documenting the purpose of a batch file and the procedures you have used. For example: rem word processing utilities.

What is the syntax of the DOS command?

As always, DOS assumes oldfile is on the default drive and also places newfile on the default drive. The syntax of DOS commands when two filenames are required is usually “from to”, i.e. the first filename is the source (or “from”) file and the second is the destination (or “to”) file.