# About 文档索引
TIP
使用:help aboutxxx就行了.
| #TYPE HelpInfoShort | ||
|---|---|---|
| Name | Category | Synopsis |
| about_ActivityCommonParameters | HelpFile | Describes the parameters that Windows PowerShell |
| about_Aliases | HelpFile | Describes how to use alternate names for cmdlets and commands in Windows |
| about_Arithmetic_Operators | HelpFile | Describes the operators that perform arithmetic in Windows PowerShell. |
| about_Arrays | HelpFile | Describes arrays, which are data structures designed to store |
| about_Assignment_Operators | HelpFile | Describes how to use operators to assign values to variables. |
| about_Automatic_Variables | HelpFile | Describes variables that store state information for Windows PowerShell. |
| about_Break | HelpFile | Describes a statement you can use to immediately exit Foreach, For, While, |
| about_Checkpoint-Workflow | HelpFile | Describes the Checkpoint-Workflow activity, which |
| about_CimSession | HelpFile | Describes a CimSession object and the difference between CIM sessions and |
| about_Classes | HelpFile | Describes how you can use classes to develop in Windows PowerShell |
| about_Command_Precedence | HelpFile | Describes how Windows PowerShell determines which command to run. |
| about_Command_Syntax | HelpFile | Describes the syntax diagrams that are used in Windows PowerShell. |
| about_Comment_Based_Help | HelpFile | Describes how to write comment-based help topics for functions and scripts. |
| about_CommonParameters | HelpFile | Describes the parameters that can be used with any cmdlet. |
| about_Comparison_Operators | HelpFile | Describes the operators that compare values in Windows PowerShell. |
| about_Continue | HelpFile | Describes how the Continue statement immediately returns the program flow |
| about_Core_Commands | HelpFile | Lists the cmdlets that are designed for use with Windows PowerShell |
| about_Data_Sections | HelpFile | Explains Data sections, which isolate text strings and other read-only |
| about_Debuggers | HelpFile | Describes the Windows PowerShell debugger. |
| about_DesiredStateConfiguration | HelpFile | Provides a brief introduction to the Windows |
| about_Do | HelpFile | Runs a statement list one or more times, subject to a While or Until |
| about_Environment_Variables | HelpFile | Describes how to access Windows environment variables in Windows |
| about_Escape_Characters | HelpFile | Introduces the escape character in Windows PowerShell and explains |
| about_Eventlogs | HelpFile | Windows PowerShell creates a Windows event log that is |
| about_Execution_Policies | HelpFile | Describes the Windows PowerShell execution policies and explains |
| about_For | HelpFile | Describes a language command you can use to run statements based on a |
| about_ForEach-Parallel | HelpFile | Describes the ForEach -Parallel language construct in |
| about_Foreach | HelpFile | Describes a language command you can use to traverse all the items in a |
| about_Format.ps1xml | HelpFile | The Format.ps1xml files in Windows PowerShell define the default display |
| about_Functions | HelpFile | Describes how to create and use functions in Windows PowerShell. |
| about_Functions_Advanced | HelpFile | Introduces advanced functions that act similar to cmdlets. |
| about_Functions_Advanced_Methods | HelpFile | Describes how functions that specify the CmdletBinding attribute can use |
| about_Functions_Advanced_Parameters | HelpFile | Explains how to add parameters to advanced functions. |
| about_Functions_CmdletBindingAttribute | HelpFile | Describes the attribute that makes a function work like a |
| about_Functions_OutputTypeAttribute | HelpFile | Describes an attribute that reports the type of object that the function |
| about_Group_Policy_Settings | HelpFile | Describes the Group Policy settings for Windows PowerShell |
| about_Hash_Tables | HelpFile | Describes how to create, use, and sort hash tables in Windows PowerShell. |
| about_Hidden | HelpFile | Describes the Hidden keyword, which hides class members from default Get-Member results. |
| about_History | HelpFile | Describes how to get and run commands in the command history. |
| about_If | HelpFile | Describes a language command you can use to run statement lists based |
| about_InlineScript | HelpFile | Describes the InlineScript activity, which runs Windows |
| about_Jobs | HelpFile | Provides information about how Windows PowerShell background jobs run a |
| about_Job_Details | HelpFile | Provides details about background jobs on local and remote computers. |
| about_Join | HelpFile | Describes how the join operator (-join) combines multiple strings into a |
| about_Language_Keywords | HelpFile | Describes the keywords in the Windows PowerShell scripting language. |
| about_Language_Modes | HelpFile | Explains language modes and their effect on Windows |
| about_Line_Editing | HelpFile | Describes how to edit commands at the Windows PowerShell command prompt. |
| about_Locations | HelpFile | Describes how to access items from the working location in Windows |
| about_Logical_Operators | HelpFile | Describes the operators that connect statements in Windows PowerShell. |
| about_Methods | HelpFile | Describes how to use methods to perform actions on objects in Windows |
| about_Modules | HelpFile | Explains how to install, import, and use Windows PowerShell modules. |
| about_Objects | HelpFile | Provides essential information about objects in Windows PowerShell. |
| about_Object_Creation | HelpFile | Explains how to create objects in Windows PowerShell. |
| about_Operators | HelpFile | Describes the operators that are supported by Windows PowerShell. |
| about_Operator_Precedence | HelpFile | Lists the Windows PowerShell operators in precedence order. |
| about_PackageManagement | HelpFile | PackageManagement is an aggregator for software package managers. |
| about_Parallel | HelpFile | Describes the Parallel keyword, which runs the |
| about_Parameters | HelpFile | Describes how to work with command parameters in Windows PowerShell. |
| about_Parameters_Default_Values | HelpFile | Describes how to set custom default values for the parameters of cmdlets and |
| about_Parsing | HelpFile | Describes how Windows PowerShell parses commands. |
| about_Parsing_LocTest | HelpFile | Describes how Windows PowerShell parses commands. |
| about_Path_Syntax | HelpFile | Describes the full and relative path name formats in Windows PowerShell. |
| about_Pipelines | HelpFile | Combining commands into pipelines in the Windows PowerShell |
| about_PowerShell.exe | HelpFile | Explains how to use the PowerShell.exe command-line tool. Displays |
| about_PowerShell_Ise.exe | HelpFile | Explains how to use the PowerShell_Ise.exe command-line tool. |
| about_Preference_Variables | HelpFile | Variables that customize the behavior of Windows PowerShell |
| about_Profiles | HelpFile | Describes how to create and use a Windows PowerShell profile. |
| about_Prompts | HelpFile | Describes the Prompt function and demonstrates how to create a custom |
| about_Properties | HelpFile | Describes how to use object properties in Windows PowerShell. |
| about_Providers | HelpFile | Describes how Windows PowerShell providers provide access to data and |
| about_PSConsoleHostReadLine | HelpFile | Explains how to create a customize how Windows PowerShell reads input |
| about_PSReadline | HelpFile | |
| about_PSSessions | HelpFile | Describes Windows PowerShell sessions (PSSessions) and explains how to |
| about_PSSession_Details | HelpFile | Provides detailed information about Windows PowerShell sessions and the |
| about_PSSnapins | HelpFile | Describes Windows PowerShell snap-ins and shows how to use and manage them. |
| about_Quoting_Rules | HelpFile | Describes rules for using single and double quotation marks |
| about_Redirection | HelpFile | Explains how to redirect output from Windows PowerShell to text files. |
| about_Ref | HelpFile | Describes how to create and use a reference variable type. |
| about_Regular_Expressions | HelpFile | Describes regular expressions in Windows PowerShell. |
| about_Remote | HelpFile | Describes how to run remote commands in Windows PowerShell. |
| about_Remote_Disconnected_Sessions | HelpFile | Explains how to disconnect from and reconnect to a PSSession |
| about_Remote_FAQ | HelpFile | Contains questions and answers about running remote commands |
| about_Remote_Jobs | HelpFile | Describes how to run background jobs on remote computers. |
| about_Remote_Output | HelpFile | Describes how to interpret and format the output of remote commands. |
| about_Remote_Requirements | HelpFile | Describes the system requirements and configuration requirements for |
| about_Remote_Troubleshooting | HelpFile | Describes how to troubleshoot remote operations in Windows PowerShell. |
| about_Remote_Variables | HelpFile | Explains how to use local and remote variables in remote |
| about_Requires | HelpFile | Prevents a script from running without the required elements. |
| about_Reserved_Words | HelpFile | Lists the reserved words that cannot be used as identifiers because they |
| about_Return | HelpFile | Exits the current scope, which can be a function, script, or script block. |
| about_Run_With_PowerShell | HelpFile | Explains how to use the "Run with PowerShell" feature to run |
| about_Scheduled_Jobs | HelpFile | Describes scheduled jobs and explains how to use and manage |
| about_Scheduled_Jobs_Advanced | HelpFile | Explains advanced scheduled job topics, including the file structure |
| about_Scheduled_Jobs_Basics | HelpFile | Explains how to create and manage scheduled jobs. |
| about_Scheduled_Jobs_Troubleshooting | HelpFile | Explains how to resolve problems with scheduled jobs |
| about_Scopes | HelpFile | Explains the concept of scope in Windows PowerShell and shows how to set |
| about_Scripts | HelpFile | Describes how to run and write scripts in Windows PowerShell. |
| about_Script_Blocks | HelpFile | Defines what a script block is and explains how to use script blocks in |
| about_Script_Internationalization | HelpFile | Describes the script internationalization features of Windows PowerShell 2.0 |
| about_Sequence | HelpFile | Describes the Sequence keyword, which runs selected |
| about_Session_Configurations | HelpFile | Describes session configurations, which determine the users who can |
| about_Session_Configuration_Files | HelpFile | Describes session configuration files, which can be used in a |
| about_Signing | HelpFile | Explains how to sign scripts so that they comply with the Windows |
| about_Special_Characters | HelpFile | Describes the special characters that you can use to control how |
| about_Splatting | HelpFile | Describes how to use splatting to pass parameters to commands |
| about_Split | HelpFile | Explains how to use the Split operator to split one or more strings into |
| about_Suspend-Workflow | HelpFile | Describes the Suspend-Workflow activity, which suspends |
| about_Switch | HelpFile | Explains how to use a switch to handle multiple If statements. |
| about_Throw | HelpFile | Describes the Throw keyword, which generates a terminating error. |
| about_Transactions | HelpFile | Describes how to manage transacted operations in Windows PowerShell. |
| about_Trap | HelpFile | Describes a keyword that handles a terminating error. |
| about_Try_Catch_Finally | HelpFile | Describes how to use the Try, Catch, and Finally blocks to handle |
| about_Types.ps1xml | HelpFile | Explains how to use Types.ps1xml files to extend the types of objects |
| about_Type_Operators | HelpFile | Describes the operators that work with Microsoft .NET Framework types. |
| about_Updatable_Help | HelpFile | Describes the updatable help system in Windows PowerShell. |
| about_Variables | HelpFile | Describes how variables store values that can be used in Windows |
| about_While | HelpFile | Describes a language statement that you can use to run a command block |
| about_Wildcards | HelpFile | Describes how to use wildcard characters in Windows PowerShell. |
| about_Windows_PowerShell_5.0 | HelpFile | Describes new features that are included in |
| about_Windows_PowerShell_ISE | HelpFile | Describes the features and system requirements of Windows PowerShell |
| about_Windows_RT | HelpFile | Explains limitations of Windows PowerShell 4.0 on Windows RT 8.1. |
| about_WMI | HelpFile | Windows Management Instrumentation (WMI) uses the |
| about_WMI_Cmdlets | HelpFile | Provides background information about Windows Management Instrumentation |
| about_WorkflowCommonParameters | HelpFile | This topic describes the parameters that are valid on all Windows |
| about_Workflows | HelpFile | Provides a brief introduction to the Windows |
| about_WQL | HelpFile | Describes WMI Query Language (WQL), which can be |
| about_WS-Management_Cmdlets | HelpFile | Provides an overview of Web Services for Management (WS-Management) as |
| about_BeforeEach_AfterEach | HelpFile | performed at the beginning and end of every It block. This can eliminate duplication of code |
| about_Mocking | HelpFile | Pester provides a set of Mocking functions making it easy to fake dependencies |
| about_Pester | HelpFile | Pester is a BDD based test runner for PowerShell. |
| about_should | HelpFile | Provides assertion convenience methods for comparing objects and throwing |
| about_TestDrive | HelpFile | A PSDrive for file activity limited to the scope of a singe Describe or |
| about_Scheduled_Jobs | HelpFile | Describes scheduled jobs and explains how to use and manage |
| about_Scheduled_Jobs_Advanced | HelpFile | Explains advanced scheduled job topics, including the file structure |
| about_Scheduled_Jobs_Basics | HelpFile | Explains how to create and manage scheduled jobs. |
| about_Scheduled_Jobs_Troubleshooting | HelpFile | Explains how to resolve problems with scheduled jobs |
| about_ActivityCommonParameters | HelpFile | Describes the parameters that Windows PowerShell |
| about_Checkpoint-Workflow | HelpFile | Describes the Checkpoint-Workflow activity, which |
| about_ForEach-Parallel | HelpFile | Describes the ForEach -Parallel language construct in |
| about_InlineScript | HelpFile | Describes the InlineScript activity, which runs Windows |
| about_Parallel | HelpFile | Describes the Parallel keyword, which runs the |
| about_Sequence | HelpFile | Describes the Sequence keyword, which runs selected |
| about_Suspend-Workflow | HelpFile | Describes the Suspend-Workflow activity, which suspends |
| about_WorkflowCommonParameters | HelpFile | This topic describes the parameters that are valid on all Windows |
| about_Workflows | HelpFile | Provides a brief introduction to the Windows |
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