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.
=========================================================================
Connected to Asterisk 1.8.13.1~dfsg1-3+deb7u3 currently running on debian2 (pid = 11840)
debian2*CLI>
debian2*CLI> core
No such command 'core ' (type 'core show help core' for other possible commands)
debian2*CLI> core
No such command 'core ' (type 'core show help core' for other possible commands)
debian2*CLI> core help
No such command 'core help' (type 'core show help core help' for other possible commands)
debian2*CLI> core show
No such command 'core show' (type 'core show help core show' for other possible commands)
debian2*CLI> core show
No such command 'core show' (type 'core show help core show' for other possible commands)
debian2*CLI> core show
application     applications    calls           channel         channels
channeltype     channeltypes    codec           codecs          config
file            function        functions       help            hint
hints           image           license         profile         settings
switches        sysinfo         taskprocessors  threads         translation
uptime          version         warranty
debian2*CLI> core show
No such command 'core show ' (type 'core show help core show' for other possible commands)
debian2*CLI> core show
application     applications    calls           channel         channels
channeltype     channeltypes    codec           codecs          config
file            function        functions       help            hint
hints           image           license         profile         settings
switches        sysinfo         taskprocessors  threads         translation
uptime          version         warranty
debian2*CLI> core show sysinfo
System Statistics
-----------------
  System Uptime:             6 hours
  Total RAM:                 15903388 KiB
  Free RAM:                  14807740 KiB
  Buffer RAM:                67092 KiB
  Total Swap Space:          16201724 KiB
  Free Swap Space:           16201724 KiB
  Number of Processes:       372
debian2*CLI> sip show
No such command 'sip show' (type 'core show help sip show' for other possible commands)
debian2*CLI> sip show
channel        channels       channelstats   domains        history
inuse          mwi            objects        peer           peers
registry       sched          settings       subscriptions  tcp
users          user
debian2*CLI> sip show channels
Peer             User/ANR         Call ID          Format           Hold     Last Message    Expiry     Peer
0 active SIP dialogs
debian2*CLI> quit