Mac OSX (El Capitan) Software Update tool via CLI

List available software updates via CLI (but don't install them):

$ sudo softwareupdate -l
Software Update Tool
Copyright 2002-2015 Apple Inc.

Finding available software
Software Update found the following new or updated software:
   * OS X El Capitan Update-10.11.5
OS X El Capitan Update (10.11.5), 740450K [recommended] [restart]
   * RAWCameraUpdate6.19-6.19
Digital Camera RAW Compatibility Update (6.19), 7575K [recommended]
   * iTunesXPatch-12.4
iTunes (12.4), 144804K [recommended]



Install all pending software updates via CLI:

$ sudo softwareupdate -i -a
Software Update Tool
Copyright 2002-2015 Apple Inc.

Finding available software

Downloading OS X El Capitan Update
Downloading Digital Camera RAW Compatibility Update
Downloading iTunes
Downloaded Digital Camera RAW Compatibility Update
Downloaded iTunes
Downloaded OS X El Capitan Update
Installing OS X El Capitan Update, Digital Camera RAW Compatibility Update, iTunes
Done with OS X El Capitan Update
Done with Digital Camera RAW Compatibility Update
Done with iTunes
Done.

You have installed one or more updates that requires that you restart your

computer.  Please restart immediately.

OMG! Thank you whomever wrote this article! How to disable the stupid-@#%* Automatic Update restart notification on windows XP mahines

Srsly. from the bottom of my heart. Thank you!

http://www.online-tech-tips.com/computer-tips/disable-restart-now/

(If you work in engineering and support and are on the systems all day, its quite annoying to work on a webex session an have a stupid @#$*^@ popup about the updates come up every 10 minutes.) How about turning them off completely? Yes! It works and it is A W E S O M E!!