In this tutorial i am telling you about basic trim command and select all option used in trim.
Tr (enter)
Select object: select object by mouse and press enter.
Select object to trim(crossing/Edge/Fence/eRase): select object (which you want to trim) by mouse and press enter
Tr (enter)
Select object: press enter (to make every object on viewport selected)
Select object to trim : select object (which you want to trim) by mouse and press enter
email id: [email protected]