activated CA certificates under /usr/share/ca-certificates.
Lines that begin with "#" is comment line.
Lines that begin with "!" is deselect, deactivation of the CA certificates.
+.PP
+Before terminating, \fBupdate-ca-certificates\fP invokes
+\fBrun-parts\fP on /etc/ca-certificates/update.d and calls each hook with
+a list of certificates: those added are prefixed with a +, those removed are
+prefixed with a -.
.SH OPTIONS
A summary of options is included below.
.TP