* The name of an operating system architecture e.g. ultrix, sun4, etc. This is referred to as a hard class.

    * The unqualified name of a particular host. If your system returns a fully qualified domain name for your host, cfagent truncates it at the first dot.

    * The name of a user-defined group of hosts.

    * A day of the week (in the form Monday, Tuesday, Wednesday, ..).

    * An hour of the day (in the form Hr00, Hr01 ... Hr23).

    * Minutes in the hour (in the form Min00, Min17 ... Min45).

    * A five minute interval in the hour (in the form Min00_05, Min05_10 ... Min55_00)

    * A day of the month (in the form Day1, Day2, ... Day31).

    * A month (in the form January, February, ... December).

    * A year (in the form Yr1997, Yr2004).

    * An arbitrary user-defined string.

    * The IP address octets of any active interface (in the form ipv4_192_0_0_1, ipv4_192_0_0, ipv4_192_0, ipv4_192).

    * The name of all interfaces Cfengine can find, in the form net_iface_eth0.