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| [9] | 1 | .TH AT 1
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| 2 | .SH NAME
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| 3 | at \- execute commands at a later time
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| 4 | .SH SYNOPSIS
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| 5 | \fBat \fItime\fR [\fImonth day\fR] [\fIfile\fR]\fR
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| 6 | .br
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| 7 | .de FL
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| 8 | .TP
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| 9 | \\fB\\$1\\fR
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| 10 | \\$2
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| 11 | ..
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| 12 | .de EX
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| 13 | .TP 20
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| 14 | \\fB\\$1\\fR
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| 15 | # \\$2
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| 16 | ..
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| 17 | .SH EXAMPLES
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| 18 | .EX "at 2315 Jan 31 myfile" "Myfile executed Jan 31 at 11:15 pm"
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| 19 | .EX "at 0900" "Job input read from \fIstdin\fR"
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| 20 | .EX "at 0711 4 29 " "Read from \fIstdin\fR, exec on April 29"
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| 21 | .SH DESCRIPTION
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| 22 | .PP
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| 23 | \fBAt\fR prepares a file to be executed later at the specified time by
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| 24 | creating a special entry in \fB/usr/spool/at\fR. The \fBcron\fR daemon
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| 25 | takes care of executing these jobs. It checks to see if any
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| 26 | files in \fB/usr/spool/at\fR should now be run, and if so, it runs them
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| 27 | and then puts them in \fB/usr/spool/at/past\fR.
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| 28 | The name of the file created in \fB/usr/spool/at\fR by \fBat\fR is
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| 29 | YY.DDD.HHMM.UU (where YY, DDD, HH, and MM give the time to execute and
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| 30 | UU is a unique number). Note that when the command runs, it will not be able
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| 31 | to use standard input unless specifically redirected. Standard output
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| 32 | will be mailed to the owner of the job.
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| 33 | .SH "SEE ALSO"
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| 34 | .BR cron (8).
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