What is dexopt ? (Android Shell Command)

Question

What does the Android shell command dexopt do?

Where can I find a manual?

Answer 1

dexopt is a system-internal tool that is used to produce optimized dex files.

The source code is available here: https://android.googlesource.com/platform/dalvik-snapshot/+/gingerbread/dexopt/OptMain.c

Documentation is also included with the source; here's a human-readable version: http://www.netmite.com/android/mydroid/dalvik/docs/dexopt.html