rwall(1) on OpenBSD
The text be55220905ea, as OpenBSD 2.5, OpenBSD 2.4, OpenBSD 2.3, OpenBSD 2.2, OpenBSD 2.1 shipped it.
send a message to users logged on a host
The text be55220905ea, as OpenBSD 2.5, OpenBSD 2.4, OpenBSD 2.3, OpenBSD 2.2, OpenBSD 2.1 shipped it.
send a message to users logged on a host