The submithost variable contains the name of the machine from which the current task request was submitted (that is, the submit host). submithost is what the policy server considers the client name to be (based on the current submithost network interface).
The submithost and host and runhost variables are closely related. By default, the host and runhost variables are set to submithost, unless the user requests a specific run host by using the -h argument of the pbrun command.
There is no run version of this variable.
A string that contains the fully qualified name of the submit host machine. This is a read-only variable.