at

Name

at -- examine or delete jobs for later execution

Description

at is as specified in ISO POSIX (2003) but with differences as listed below.

Differences

Options

-d

is functionally equivalent to the -r option specified in ISO POSIX (2003).

-r

need not be supported, but the '-d' option is equivalent.

-t time

need not be supported.

Optional Control Files

The implementation shall support the XSI optional behavior for access control; however the files at.allow and at.deny may reside in /etc rather than /usr/lib/cron.