.B apt
.SH DESCRIPTION
APT is a management system for software packages. For normal day to day
-package management there are several frontends available, like
+package management there are several frontends available, such as
.BR aptitude (8)
for the command line or
-.BR synaptic (8)for X-Windows. Some options are only implemented in
-.BR apt-get (8) though.
+.BR synaptic (8)
+for the X Window System. Some options are only implemented in
+.BR apt-get (8)
+though.
.SH OPTIONS
None.
.SH FILES
.BR apt-get (8),
.BR apt.conf (5),
.BR sources.list (5),
+.BR apt_preferences (5),
.BR apt-secure (8)
.SH DIAGNOSTICS
apt returns zero on normal operation, decimal 100 on error.