Command: put

Usage: put <object> [from container] into <container | on ground | in room>
<object> can be of the forms: sword, sword 1, all sword, all

Additionally, <object> can include object names to exclude:
  all sword except red sword
  all except arrow

The put command allows you to put an item in your inventory
into another item.  You can also use it to move from one
container to another.  The item or container must be in 
your inventory for you to put it anywhere.

See also:    get,  drop