Дефрагментиране под XP

C:\Documents and Settings\Administrator>at /?

The AT command schedules commands and programs to run on a computer at

a specified time and date. The Schedule service must be running to use

the AT command.

AT [\\computername] [ [id] [/DELETE] | /DELETE [/YES]]

AT [\\computername] time [/INTERACTIVE]

[ /EVERY:date[,...] | /NEXT:date[,...]] "command"

\\computername Specifies a remote computer. Commands are scheduled on the

local computer if this parameter is omitted.

id Is an identification number assigned to a scheduled

command.

/delete Cancels a scheduled command. If id is omitted, all the

scheduled commands on the computer are canceled.

/yes Used with cancel all jobs command when no further

confirmation is desired.

time Specifies the time when command is to run.

/interactive Allows the job to interact with the desktop of the user

who is logged on at the time the job runs.

/every:date[,...] Runs the command on each specified day(s) of the week or

month. If date is omitted, the current day of the month

is assumed.

/next:date[,...] Runs the specified command on the next occurrence of the

day (for example, next Thursday). If date is omitted, the

current day of the month is assumed.

"command" Is the Windows NT command, or batch program to be run.