man at, one of the ways to call
at (version 3.1.10 on my system) is with the form:
at [-V] [-q queue] [-f file] [-mldbv] time
Although -m, -l, -d, and -v are all documented, nowhere can I find an explanation as to how the -b flag is actually used. My original intuition was that it might allow access to
batch, similar to the -l and -d options, which provide alternate ways to access
On attempting to test this theory to see if it would just put a job into the "b" queue that
batch uses, I tried running
at -b now + 1 hour, but this fails right away with:
at: invalid option -- 'b'
Perhaps -b only works when given with certain other options, or perhaps I'm misinterpreting the man-pages somehow. Any insights into this?