System command

help command

Display the command list or help for a command that provides a help topic.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

help [<command>]

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Examples

Example usage for help.

help dir

Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.

help robocopy

Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.

help

Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.

help create partition primary

Parameters, options and clauses

Option / clause	Description
`<command>`	Show help for a command when the command has a help topic.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

Official reference ↗Back to directory