Before march 2017 I used android avd
command to open AVD manager on Linux from the command line. It does not work anymore:
$ Android/Sdk/tools/android avd
The android command is no longer available.
For manual SDK and AVD management, please use Android Studio.
For command-line tools, use tools/bin/sdkmanager and tools/bin/avdmanager
How do I open the new AVD manager on Linux from the command line?