# atd
service must be running:
```sh
systemctl enable atd
systemctl start atd
```

## at

read commands from standard input or given file (`-f`).
time can be specified as `HHMM` or `HH:MM` and can be followed by a date like
`YY-MM-DD`, `today` or `tomorrow`.
relative times with `now + 10 minutes`, `hours`, `days`, `weeks`.
```sh
echo "notify-send -u critical 'hi there'" | at 1234
```

## atq
show list of queued jobs.

## atrm
remove given job from queue.

## batch
executes command when system load average drops below 0.8 or the value specified
in the invocation of atd (`atd -l`).