Menu item | Command | Description

Clone objects to other layer | clone | Copies selected objects to another specified layer, without moving them from their original positions.
Calculate area of closed polylines | sm-layer-area | Calculate area of closed polylines of the selected layer
Put hatch layers back | hatchback | Hatch layer are put back in draworder
Layer group methods | ft | Put a group of layers with the ease of one command on/off, freeze/thaw or lock/unlock. The group of layers can be described by a wildcar pattern. Wild-card characters definition table:
# | pound | Matches any single numeric digit
@ | at | Matches any single alphabetic character
. | period | Matches any single nonalphanumeric character
* | asterisk | Matches any character sequence, including an empty one, and it can be used anywhere in the search pattern: at the beginning, middle, or end
? | question mark | Matches any single character
~ | tilde | If it is the first character in the pattern, it matches anything except the pattern
[...] |  | Matches any one of the characters enclosed
[~...] |  | Matches any single character not enclosed
– | hyphen | Used inside brackets to specify a range for a single character
, | comma | Separates two patterns
` | reverse quote | Escapes special characters (reads next character literally)
Example: wall* could be wall-concrete, wall-brick, wall-wood, ...
Freeze dimension, hatch and text | pp | Handy routine for presentation drawings
Thaw dimension, hatch and text | up | Handy routine for presentation drawings