SET Displays, sets, or removes environment variables for current session. SETLOCAL Begins localization of environment changes in a batch file. SETX Sets environment variables. SC Displays or configures services
单击Environment Variables即可查看已经为计算机分配好的环境变量值。 可用于查看环境变量的方法还包括: Control Panel > System and Security > System > Advanced system settings > Environment Variables Settings > System > About > system info > Advanced system settings > Environment Variables 在系统信息实用程序...
if you start another Command Prompt after making the changes, the environment variables will reflect the previous (not the current) values. The changes do not take effect until you log off and then log back on.
PROMPT SYSTEMDRIVE SYSTEMROOT WINDIR TEMP TMP The environment variables shown in the preceding table are present on all Windows computers. However, you might also have additional user-specific or computer-specific environment variables, which can also be accessed through a script. If you do not know...
在确认当前版本号后,用户可以通过访问Windows Command Prompt官方网站或使用微软官方更新工具来更新升级Windows Command Prompt。 在浏览器中打开Windows Command Prompt官方网站,选择与当前操作系统相对应的版本,然后下载对应的更新文件。 下载完成后,打开下载文件夹,双击运行更新文件。此时,将弹出一个安装向导窗口,用户需要...
The maximum length of the string that you can use at the command prompt is 8191 characters. This limitation applies to: the command line individual environment variables that are inherited by other processes, such as the PATH variable all environment variable expansions If you use Command Prompt ...
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment You can open a command prompt, type set, and press Enter to display all current environment variables on your PC. You can open PowerShell, type Get-ChildItem Env:, and press Enter to display all current environment va...
Visual Studio Developer Command Prompt - A standard command prompt with certain environment variables set to make using command-line developer tools easier. Visual Studio Developer PowerShell - More powerful than a command prompt. For example, you can pass the output of one command (known as a ...
Visual Studio Developer PowerShell - More powerful than a command prompt. For example, you can pass the output of one command (known as a cmdlet) to another cmdlet. This shell has the same environment variables set as Developer Command Prompt. Available since Visual Studio 2019.Starting in Vis...
Visual Studio Developer Command Prompt - A standard command prompt with certain environment variables set to make using command-line developer tools easier. Visual Studio Developer PowerShell - More powerful than a command prompt. For example, you can pass the output of one command (known as a ...