At command in Windows Server 2008

In this article I will discuss about how to use At command in Windows Server 2008.
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Introduction

At command applies to Windows 7, Windows XP, Windows Vista, also on some older versions of Windows.

At command is use to schedule the command and a program to run at particular date and time. This command will work only when  schedule service is running and  user is logged on the local administrator group. This command can also be use to see existing scheduled tasks To use at command syntax is given below:

Syntax

at \\computername id /delete|/delete/yes
at\\computername time/interactive|/every: date,.../next: date,...command
  •  time should be in Hours:Minutes format.

Parameters

 List of Parameters  Description
\\computername   This parameter specifies the remote computer on which at schedules the commands and programs Without this parameter at schedules the commands and programs on local computer 
id specifies the id number assigned to a scheduled task
/delete this parameter is used to cancel the scheduled task.  
/yes /yes command answers yes to all the queries when you cancels scheduled task. 
/interactive this command allows task to interact with the user's desktop who is logged on at the time when command execute.
/every:date this command is use to run a command on every specified day or a month or in another words at regular interval of day or month. If you remove this parameter task will run on current day.
/next: this command is use to run the task on next appearance of the day. You can use more than one days of a. week or a month. Use comma(,) to seperate multiple entries
command Specifies the Windows command, program (that is, .exe or .com file), or batch program (that is, .bat or .cmd file) that you want to run
time specifies the time of  task i:e when you want to run the command. Time is expressed as Hours:Minutes
  • To use at, you must be a member of the local Administrators group.
  •  using delete command if you remove id, all of the scheduled tasks on the computer are canceled.

Examples of At command

1. Schedule the chkdsk command to run  on current day, at 10:00 am, on the currently used computer.

at 10:00 "chkdsk /f"

2. To cancel all scheduled tasks

at /delete
 

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