Mark groups of files
Menu items used to select and unselect files:
Select group
Unselect group
Select all
Unslect all
Invert selection
Select All With Same Extension
Save selection
Restore selection
Save selection to file
Restore selection from file
Copy Selected Names To Clipboard
Copy Names With Path To Clipboard
Copy To Clipboard With All Details
Copy To Clipboard With Path+Details
See Selecting files