Mountain Lion

The moniker for OS X 10.8, released via the App Store on 2012-07-25.

See the page as well.

Resources:

Date Command Notes
2013-05 defaults write com.apple.loginwindow LoginWindowLaunchesRelaunchApps -bool false

Disable the stupefyingly idiotic automatic app relaunching upon reboot “feature”, that caused me untold pain every day.

2013-08 terminal-notifier

A command-line notification tool.

2013-11 open "/System/Library/CoreServices/Wi-Fi Diagnostics.app"

The built-in Wi-Fi diagnostics app, crammed with goodies.

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