Asterisk 1.8.13.1~dfsg1-3+deb7u3, Copyright (C) 1999 - 2012 Digium, Inc. and others.
Created by Mark Spencer <markster@digium.com>
Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.
This is free software, with components licensed under the GNU General Public
License version 2 and other licenses; you are welcome to redistribute it under
certain conditions. Type 'core show license' for details.
=========================================================================
  == Parsing '/etc/asterisk/asterisk.conf':   == Found
  == Parsing '/etc/asterisk/extconfig.conf':   == Found
Connected to Asterisk 1.8.13.1~dfsg1-3+deb7u3 currently running on debian4 (pid = 14620)
Verbosity was 0 and is now 5
debian4*CLI> co
No such command 'co' (type 'core show help co' for other possible commands)
debian4*CLI> co
No such command 'co' (type 'core show help co' for other possible commands)
debian4*CLI> co
No such command 'co' (type 'core show help co' for other possible commands)
debian4*CLI> c0
No such command 'c0' (type 'core show help c0' for other possible commands)
debian4*CLI> co
No such command 'co' (type 'core show help co' for other possible commands)
debian4*CLI> quit
Executing last minute cleanups