at.allow  – determine who can submit jobs via at or batch 


The /etc/at.allow  files determine which user can submit commands for later execution via at pr batch .

The format of the files is a list of usernames, one on each line. Whitespace is not permitted.

The superuser may always use at.

If the file /etc/at.allow exists, only usernames mentioned in it are allowed to use at.

If /etc/at.allow does not exist, /etc/at.deny is checked.