Memory management in ImageJ: memory release

A few important details about how memory release/emptying in ImageJ:

• http://stackoverflow.com/questions/22912063/automatically-release-unused-memory-in-imagej-fiji

• http://fiji.sc/wiki/index.php/TrakEM2#Running_fiji_for_heavy-duty.2C_memory-intensive.2C_high-performance_TrakEM2_tasks

Create a new shortcut to a command in ImageJ/Fiji

Very useful when you frequently call a command and you want to avoid wandering around/through the command menu trees.
Go to the Plugins menu. Choose Shortcuts, then the Create shortcut... command.