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From Mac OSX to MacOS


Overview

Ver. Code Name Avail. Date PHP Python Ruby Introduced
10.12.6 MacOS
High
Sierra
Oct. 2017 2.6.0 - - H.265 video, Metal 2
10.12 MacOS
Sierra
Oct. 2016 2.6.0 - - Auto unlock, universal clipboard, Siri, Watch login
10.11 El Capitan (Gala) July 2015 - 2.7.10 - Disable System Integrity Production
10.10 Yosemite (Syrah) Fall 2014 5.5.14 2.7.6 - Swift, non-skeuomorphic UI, connect Apple
10.9 Mavericks (Caberet) Oct. 22, 2013 5.3.26 - 2.0.0p247 -
10.8 Mountain Lion July 25, 2012 - - 1.8.7 -
10.7 Lion July 20, 2011 5.3 - - -
10.6 Snow Leopard June 9, 2008 5.3 - - Apple Store
10.5 Leopard Oct. 26, 2007 5.2 2.5.1 - -
10.4 Tiger April 29, 2005 - - - Intel chip; from tsch to bash shell
10.3 Panther ? ? - - -

Based on http://en.wikipedia.org/wiki/OS_X#Versions

Version Terminal Commands

  1. In a Terminal window on any folder, type:

    sw_vers
    

    The response I got:

    ProductName: mac OS X
    ProductVersion: 10.12.5
    BuildVersion: 16B2555
    

    PROTIP: Provide this about your computer whenever you talk about your situation to StackOverflow or other technical support form.

    The x.x.x pattern is called Semantic Versioning.

    The “10” is associated with “Darwin”, an open-source Unix operating system released by Apple Inc. in 2000. It is composed of code developed by Apple as well as code derived from NeXTSTEP, BSD, Mach, and other free software projects. –Wikipedia.

  2. A partial response can be requestd by:

    sw_vers -productVersion
    

    This is a different command than used in Linux (lsb_release).

  3. Invoke the Unix name” utility command also used in Linux:

    uname -a
    

    The -a requests all parameters, for a response such as:

    Darwin macs-MacBook-Pro-4.local 
    16.6.0 Darwin Kernel Version 16.6.0: Fri Apr 14 16:21:16 PDT 2017; 
    root:xnu-3789.60.24~6/RELEASE_X86_64 x86_64
    
    • Darwin is the kernel name (-k).
    • macs-MacBook-Pro-4.local is the node name (-n), where the characters before the first dash is your user name.
    • 16.6.0 is the Linux kernel-release (-r).
    • x86_64 is the machine name (-m).
    • i386 is the processor name (-p).
    • Not applicable on Macs (Linux only) are the hardware platform (-i) and operating system (-o) flag.

    NOTE: The architecture of i386 is also output by this Linux command:

    arch
    

Create a bootable installer for macOS

To manually download the complete installer:

  1. Go to the installer page at:
    https://itunes.apple.com/us/app/macos-sierra/id1127487414?mt=12

  2. Click “Download in iTunes” to open up iTunes app.
  3. Click “Get”.
  4. Close iTunes after download is finished into your user Applications folder.
  5. In Finder, press shift+command+A or click the Go menu to select Applications.

    NOTE: The file “Install macOS Sierra.app” for 10.12.5 is 4.97 GB.

    Notice there are spaces within the file name of the download
    “Install macOS Sierra.app”. This means back slash (\) escape characters are needed in typed commands referencing the file:

    sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/
    

    PROTIP: Use the GUI utility described below instead of the createinstallmedia command described in Apple’s https://support.apple.com/en-us/HT201372

    Boot USB stick

  6. Get a 16 or 32 GB flash drive.
  7. Insert the drive into your Mac.
  8. View the contents in Folder.
  9. If you have any other data on that flash drive, back it up, because the installer will delete everything on it.

    Optionally, a secondary internal partition can be used if it has at least 12 GB of available disk space for installation files.

  10. Open the Terminal app (in the Utilities folder of your Applications folder).

    PROTIP: Drag Terminal.app to drop it at the bottom edge of the screen so it’s available anytime.

    Install Disk Create GUI

  11. Download InstallDiskCreate.zip from:

    https://macdaddy.io/install-disk-creator

    It is from the talented @BenedictSlaney in New Zealand.

  12. Click the Download icon on the website.
  13. Unzip the file by clicking on it in the browser or in Finder.
  14. Scroll to the “Install Disk Creator” application file (dated March 15, 2017) and click to invoke it.
  15. Click Open if you see a pop-up about downloading from the internet.
  16. Open a new Finder Window and Go Applications.
  17. Drag and drop the app file into the Applications folder.
  18. Delete the zip file downloaded to free up space.
  19. Within the Applications folder, double-click to invoke “Install Disk Creator”.

    Create Installer Disk

  20. Select the volume. It’s usually “Untitled”.
  21. Click the “Choose a macOS installer” button.
  22. Find the Sierra installer file. This is should be located in your root Applications folder under Macintosh HD (not your user Applications folder).
  23. Select your flash drive from the drop-down menu.
  24. Click “Create Installer”.
  25. Click “Erase disk”.
  26. Provide your password.
  27. There is no indicator of progress. Wait for it to be done.
  28. Remove the installer media and label it.

    Use installer disk

  29. Insert the USB drive into the Mac being installed.

    CAUTION: Again, this wipes out the hard disk on the Mac.

  30. Launch the installer by holding down the Option key when you boot up your computer.
  31. Wait a while for its completion.

Update downloads

Download combined updates which include all components from prior point releases, even if they are not installed on the target Mac, from:
https://support.apple.com/downloads/combo

Desktop Wallpaper Pictures

Wallpaper images that come with OS X are of Retina resolution: 5120x2880. Really big.

Get to the Desktop quickly by spreading thumb and 4 fingers on the touchpad.

To choose a different picture from Preferences:

desktops/screensaver select your desktop (highlight) press Command and C at he same time. BTW, notice where your picture/photo folders.

Want to add the Windows 10 wallpaper to your desktop?

  1. Get to folder where system wallpapers are held from the Finder > Go |> Go to Folder > /Library/Desktop Pictures.
  2. Sort by File Size.

More on OSX

This is one of a series on Mac OSX: