``tahoe put file.txt --mutable``
- Create a new mutable file, fill it with the contents of ``file.txt``, and
- print the new write-cap to stdout.
+ Create a new (SDMF) mutable file, fill it with the contents of ``file.txt``,
+ and print the new write-cap to stdout.
``tahoe put file.txt MUTABLE-FILE-WRITECAP``
- Replace the contents of the given mutable file with the contents of ``file.txt``
- and prints the same write-cap to stdout.
+ Replace the contents of the given mutable file with the contents of
+ ``file.txt`` and print the same write-cap to stdout.
``tahoe cp file.txt tahoe:uploaded.txt``