System command

at command

Schedules commands and programs to run on a computer at a specified time and date. This guide lists the documented syntax and parameters for at; check Microsoft Learn for version, role and execution-context requirements.

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

at [\computername] [[id] [/delete] | /delete [/yes]]
at [\computername] <time> [/interactive] [/every:date[,...] | /next:date[,...]] <command>

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

Syntax pattern

Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.

at [\computername] [[id] [/delete] | /delete [/yes]]

Parameters, options and clauses

Option / clauseDescription
<computername>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
<id>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
/deleteMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
/yesMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<time>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
/interactiveMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
/every:dateMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
/next:dateMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<command>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
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.

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