[Environment]::SetEnvironmentVariable('Foo','Bar') [Environment]::GetEnvironmentVariable('Foo') Output复制 Bar 可以通过为变量的值指定空字符串,使用SetEnvironmentVariable()方法删除环境变量。 例如,若要删除环境变量,请执行以下操作Foo: PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','') [...
about_Command_Precedence about_Command_Syntax about_Comment_Based_Help about_CommonParameters about_Comparison_Operators about_Continue about_Core_Commands about_Data_Files about_Data_Sections about_Debuggers about_Do about_Enum about_Environment_Provider ...
{"ExperimentalFeatures": ["PSCommandNotFoundSuggestion","PSSubsystemPluginModel"] } 有关实验功能的详细信息,请参阅使用实验性功能。 ModuleLogging 此设置控制 PowerShell 模块的日志记录行为。 设置包含两个子项: EnableModuleLogging- 若要启用会话配置,请将 值设置为true。 启用后,指定模块成员的管道执...
DEBUG: Hello, World Write-Debug : The running command stopped because the preference variable "DebugPreference" or common parameter is set to Stop: Hello, World At line:1 char:1 + Write-Debug -Message "Hello, World" 此範例使用 Debug 參數搭配的值 $false 來隱藏單一命令的訊息。 不會顯示偵錯...
In the Windows PowerShell console, type the following command at the command prompt and then press ENTER: Major Minor Build Revision --- --- --- --- 2 0 -1 -1 1.1.2 $PSVersionTable PS C:\Users\clu> $PSVersionTable Name Value --- ...
One thing to watch out for: when we used SetEnvironmentVariable to create a new user- or machine-level environment variable that variable didn’t always show up when we ran this command in Windows PowerShell: Get-ChildItem Env: Or at least it didn’t show up until we restarted PowerShell...
Now I need to create the code that will implement my cmdlets, starting with my Set-IsolatedStorageData cmdlet. First I declare the cmdlet class:复制 [Cmdlet(VerbsCommon.Set , "IsolatedStorage", SupportsShouldProcess=true)] public class SetIsolatedStorageCommand : PSCmdlet ...
Now I need to create the code that will implement my cmdlets, starting with my Set-IsolatedStorageData cmdlet. First I declare the cmdlet class:复制 [Cmdlet(VerbsCommon.Set , "IsolatedStorage", SupportsShouldProcess=true)] public class SetIsolatedStorageCommand : PSCmdlet ...
WMIC(Windows Management Instrumentation Command-line)在最新版本的Windows中已被弃用,微软推荐使用Windows PowerShell来替代WMIC进行系统管理和信息查询。PowerShell提供了Get-CimInstance和Get-WmiObject命令来获取和操作WMI信息,这两个命令可以作为WMIC的替代品。 1. Get-CimInstance 命令 Get-CimInstance是推荐使用的命令,...
As a security feature, PowerShell doesn't run executable commands, including PowerShell scripts and native commands, unless the command is located in a path listed in the $env:Path environment variable. To run an executable file that's in the current directory, specify the full path or use ...