windows delete system environment variable command line

Ngày tải lên: 25/03/2014, 11:24

Ngày tải lên: 07/07/2014, 11:20

Ngày tải lên: 26/10/2014, 21:49

... the :? syntax, if the username variable is defined and it has a non-null value, the value of the username variable is used in the echo command. If the username variable is defined but does not ... used. If that variable is set to only a null value, then that value is used. If, however, the username variable is undefined, the script will exit and display the variable, the line of code ... result, this command uses the value of the LOGNAME variable for the echo com- mand, and sets the value of username to the value of LOGNAME. 32 CHAPTER 5 ■ ACCEPTING COMMAND- LINE OPTIONS,...

Ngày tải lên: 05/10/2013, 08:51

... file for cleanup. 151 ■ ■ ■ CHAPTER 23 Command- Line E-mail Attachments I often send e-mail to myself containing information gathered from a running system. Most of the information comes as ... defined. if [ ! -z $1 ] then file=$1 CHAPTER 23 ■ COMMAND- LINE E-MAIL ATTACHMENTS 155 ■ Tip If the mimencode utility is not installed on your system, find it by installing the metamail package, ... the uuencode and uudecode commands are not installed on your system, you can find the appro- priate installation package of the UNIX sharutils utilities, where both commands are included. A version...

Ngày tải lên: 05/10/2013, 08:51

... CHAPTER 15 ■ COMMAND- LINE EDITING AND HISTORY 101 ksh In ksh configuring vi editing mode can once again be set either systemwide or for an indi- vidual user. Modifying the systemwide /etc/profile ... com- mand line is command and file completion. With this feature, you can start to type a path or command, and once you’ve typed a sufficient number of characters for the path or command to ... entry to /home/rbpeters. Pressing Enter then executes the command. 100 CHAPTER 15 ■ COMMAND- LINE EDITING AND HISTORY When you enter command mode you start at the bottom of your history and...

Ngày tải lên: 05/10/2013, 08:51

... and reuse. 1. To read a file line- by -line where the lines contain more than a single “word,” refer to Chapter 10. 104 CHAPTER 16 ■ SCRIPTING FROM THE COMMAND LINE concurrent package installation ... lines at once), you can return to the previous (mistyped) command in your history and then edit the command sequence using vi-style command- line editing. You can also recall a previously entered ... space-delimited or that appear individually on each line of the file, or a combination of both. This loop does not iterate through the file line- by -line. 1 The for loop iterates through each of...

Ngày tải lên: 05/10/2013, 08:51

... IDE: ECLIPSING THE COMMAND LINE3 4 9810ch02.qxd 5/15/08 11:04 AM Page 34 The IDE: Eclipsing the Command Line T here are two main ways you can work with Python: through the command line or through an ... you’ll learn how to use it both from the command line and from within Eclipse using the Subversive plug-in. CHAPTER 2 ■ THE IDE: ECLIPSING THE COMMAND LINE4 0 9810ch02.qxd 5/15/08 11:04 AM Page ... 2 ■ THE IDE: ECLIPSING THE COMMAND LINE 27 9810ch02.qxd 5/15/08 11:04 AM Page 27 Summary Eclipse is an increasingly popular IDE that offers many advantages over the command line. It’s free, and it...

Ngày tải lên: 05/10/2013, 10:20

... ping and arp from the Command Line In chapter 9, we looked at the ping and arp commands. These are available from the web interface but they are also available from the command line. To ping another ... chapter 9. The command line can be used to rebuild the array rather than the web interface. Once the new disk has been put back into the system, you need to use the forget command. This command sounds ... two computers. It is most commonly used as a secure command line interface to a remote computer. This means that you can access the command line interface of the FreeNAS server from a remote computer...

Ngày tải lên: 19/10/2013, 01:20

... Features 234 Command Tokens 234 Command Line Completion 234 Moving About the Command Line 236 Context-Sensitive Help 236 History 237 Disabling/Enabling CLI Tracing 237 Aborting an Executing Command ... 309 Command History 311 Examples 311 Chapter 11 Martian Addresses Overview 314 Martian Address Commands 314 martian 315 Name 315 Syntax 315 Mode 315 Parameters 315 Description 316 Default 316 Command ... 652 Default 653 Command History 653 Table of Contents 27 Default 498 Command History 498 Examples 498 neighbor use-med 499 Name 499 Syntax 499 Mode 499 Parameters 499 Description 499 Default 500 Command...

Ngày tải lên: 19/10/2013, 12:15

... /a "C:\My Documents\report.doc" The command- line examples might be printed on two or more lines, but when typing them in, use one line and leave a space before the slash (/), as ... forms or with Windows Task Scheduler to automatically create an item at a specific time. ã /a Creates a new message with the specified file as an attachment. For example, this command line creates ... many cases, the following group of commands is more appropriate to use to programmatically use a feature, rather than for regular use. The format of the command line needed for these switches is...

Ngày tải lên: 24/10/2013, 06:15

... network servers run either Windows 2000 Server or Windows Server 2003, and all client computers run Windows XP Professional. A computer named 21certifySrvA runs Windows Server 2003 with IIS ... Directory domain 21certify.com. The domain contains 35 Windows Server 2003 computers; 3,000 Windows XP Professional computers; 2,200 Windows 2000 Professional computers. The written company ... ***MISSING*** Client computers are unable to connect to the Internet You run the ping command from a command prompt on Windows XP Professional computer on the local network, and you receive the following...

Ngày tải lên: 26/10/2013, 22:15

... section will give you an overview of most of the command- line switches that are available. Command- Line Syntax In Table B-5, you can see all the command- line switches understood by the Visual Basic ... tools and will also detail the command- line usages of vbc.exe. Command Utilities In order to be able to run these command- line utilities, you must configure the environment properly. The Visual ... installation includes a command file (VCVARS32.bat) that configures the command environment properly by setting the path variable to include the Visual Studio .NET directory. The command file is installed...

Ngày tải lên: 04/11/2013, 16:15

Ngày tải lên: 20/11/2013, 21:24

... Shuts Down Windows shutdown Sounds and Audio mmsys.cpl Spider Solitare Card Game spider SQL Client Configuration cliconfg System Configuration Editor sysedit System Configuration ... Configuration Utility msconfig System File Checker Utility (Scan Immediately) sfc /scannow System File Checker Utility (Scan Once At Next Boot) sfc /scanonce System File Checker Utility ... Every Boot) sfc /scanboot System File Checker Utility (Return to Default Setting) sfc /revert System File Checker Utility (Purge File Cache) sfc /purgecache System File Checker Utility...

Ngày tải lên: 09/12/2013, 22:15

... ARE authenticated. Command- Line Basics The command line is important, because a system administrator can do anything from it. Linux has many, many commands, more than you will ever know, and new commands ... ,INUX COMMAND HAS .EXT we’ll talk about characters that you can and can’t use in Linux commands. Figure 1-4 shows what a command line looks like, when started as a terminal from a graphical environment. Figure ... Starting Linux Command- Line Administration 1 CHAPTER 2 Performing Essential Command- Line Tasks . . . . . . . . . . . . . . . . . . . . . . 27 CHAPTER 3 Administering the Linux File System 47 CHAPTER...

Ngày tải lên: 10/12/2013, 14:15

... default=multi(0)disk(0)rdisk(1)partition(1) \WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1) \WINDOWS= “Microsoft Windows 2000 Server I” /fastdetect multi(0)disk(0)rdisk(1)partition(1) \WINDOWS= “Microsoft Windows ... default=multi(0)disk(0)rdisk(0)partition(1) \WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1) \WINDOWS= “Microsoft Windows 2000 Server I” /fastdetect multi(0)disk(0)rdisk(1)partition(1) \WINDOWS= “Microsoft Windows ... Note: The Recovery Console is a command- line interface that can be used to access a hard disk of a Windows 2000 computer system. It can be accessed from the Windows 2000 Professional installation...

Ngày tải lên: 10/12/2013, 14:16

... Family Line Windows 3. x Windows 2.0 MS-DOS Windows 1.0 Windows 9x Windows 3.11 Windows for Workgroups 3.1 Windows 3.1 Windows for Workgroups 3.11 Windows 98 Windows 98 SE Windows 95 Windows ... Emerges ……………8 Windows 9x versus Windows NT-Based Operating Systems ……9 The NT OS Family Tree ………………………………………10 Windows NT 3.x ………………………………………………10 Windows NT 3.1 ……………………………………………11 Windows NT 3.5 ... Edition …………12 Windows 2000 …………………………………………………12 Windows XP /Windows Server 2003 ……………………………12 Windows XP Home Edition …………………………………14 Windows XP Professional ……………………………………14 Windows XP Professional...

Ngày tải lên: 10/12/2013, 17:15

... Automated System Recovery (ASR) backup. B. Create a backup of user data. C. Create a Windows Server 2003 bootable floppy disk. D. Create a DOS bootable floppy disk. E. Copy all Windows Server ... testking.com. The functional level of the domain is Windows 2000 native. All network servers run Windows Server 2003, and all client computers run Windows XP Professional. 070 - 290 Leading ... should you do? A. Run the net user command with the appropriate switches. B. Run the net accounts command with the appropriate switches. C. Run the dsmod user command with the appropriate switches....

Ngày tải lên: 11/12/2013, 14:15

Ngày tải lên: 21/12/2013, 05:18