The echo command is a child command of a DOS batch command familiar to you, but some of its features and usage maybe you don't know all about it, you see:
1. Whether to display the command line itself at execution time as a control batch
1.1 Learning the Echo rem CD dir command
Learning points:1. Display information: Echo2. Comment Statement: REM3. Directory Switching: CD4. Column File name: dir
One, display information: Echo
Before we learn the echo command, we'll build a new
Code
Red) virus and the upgraded version of Nimda (Nimda) virus are rampant on the Internet. The small worm virus has infected millions of servers and PCs around the world and has forced websites in batches.
Closed, network interruptions or LAN
What is DoS attack?
DOS is denialService. DOS refers to the defect of the intentional attack network protocol or the cruelly depletion of the resources of the attacked object through brutal means, in order to make the target computer or network
Typical advanced DOS batch processing applications:
Windows Programming
Files with the extension BAT (or CMD in NT/2000/XP/2003) are batch files.
First, the batch processing file is a text file. Each line of this file is a DOS command (most of the
Interactive interface Design
Nothing to say, look at the Master Design Menu interface bar:
@echo off
CLS
title Ultimate Multipurpose Repair
: Menu
cls
color 0A
echo.
echo ==============================
echo Please select the
Because of the popularity and application of computer increasingly in-depth, in order to meet the needs of people, the computer's function with its development has become more and more powerful, more and more hardware equipment, such as from the
With the popularization and application of computers, computer functions become more and more powerful and hardware devices become more and more powerful to meet people's needs, such as ISA, PCI sound card, modem, USB hard drive, mouse, and so on,
In DOS, you will often see the. bat (Batch) file at the beginning of the @echo off command
echo off indicates that only the results are displayed while the batch file is executing, not the commands executed:
For example, to create a test.bat file,
Config. sys is an important file in the dossystem. Its Configuration directly affects the usage and efficiency of the system. If improperly configured, many programs may fail to run normally. Therefore, it is necessary and important to correctly
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.