Guillermo:
*
The |wall|(1) program is available in Void's 'standard'
executables directories.
Because that's what nosh's build system and executables are going to
expect, as far as I know.
For the sake of other readers: note that it is not the build system that
employs the |wall| program. (That would be bizarre.) It is the
|shutdown| program, at runtime, as described in its manual. This is not
a requirement specific to the nosh toolset's |shutdown| program. The old
|shutdown| program in FreeBSD and OpenBSD has the same requirement, for
example, as did the |shutdown| program in 386BSD. Using the |wall|
program to do its job rather than duplicating (a fork of) its code into
|shutdown| (which the van Smoorenburg
<https://sources.debian.org/src/sysvinit/2.88dsf-59.10/src/dowall.c/>,
upstart
<https://bazaar.launchpad.net/%7Eupstart-devel/upstart/trunk/view/head:/util/shutdown.c#L672>,
and systemd
<https://github.com/systemd/systemd/blob/b0450864f1723ad12176d7956377d89ff4a84d8c/src/shared/utmp-wtmp.c#L361>
|shutdown| programs all have) has a long history in the Unix world.
