What is a Batch File and why we use
Batch files contain a sequence of DOS
commands to be executed by the command line interpreter which are executed in
sequential order from a specified file in place of keystrokes from the
keyboard. Batch file is an unformatted text file that contains one or more
commands and has a .bat or .cmd file name extension. It is a
script file in windows. They are invoked from the command line in DOS by typing
the filename, or may appear as commands in other batch files.
We use a Batch file to run a program because,
when a batch file is executed, the shell program (usually COMMAND.COM or
cmd.exe) reads the file and executes its commands. The sequence of commands
contained in the batch file are executed sequentially in order and can be
displayed on the screen to obtain the desired output.
create a batch file:
A batch file must be saved in plain ASCII text. Use simple text editor to save
file. Type the commands of your batch file and save the file with .bat
extension. In addition, the copy con command in MSDOS can also be used
to create small batch files.
batch file commands to print “Hello
Executing a Batch file:
A batch file is executed by typing its
filename without the extension. To run the batch file HELLO.BAT, type
using Batch files:
batch file to execute a program or a task has the following advantages:
file speed up your work. By placing a sequence of commands in a batch file you
only need to type one command.
tasks can be performed by creating commands in the Batch files. You can create
batch files to customize the system, backup the system, etc.