Index - U
| unCompF | Data.Columbia |
| unConsF | Data.Columbia |
| unFixComp | Data.Columbia |
| unFixConst | Data.Columbia |
| unFixProd | Data.Columbia |
| unFixSum | Data.Columbia |
| unID | Data.Columbia |
| unIdF | Data.Columbia |
| unless | Data.Columbia |
| unlock | Data.Columbia.DualLock |
| unlockShared | Data.Columbia.DualLock |
| unQr | Data.Columbia |
| unrep | Data.Columbia |
| unshimmedIOStream | Data.Columbia.SeekableStream, Data.Columbia.CompoundData, Data.Columbia |
| unshimmedIOWriter | Data.Columbia.SeekableWriter, Data.Columbia.CompoundData, Data.Columbia |
| updateByTrack | Data.Columbia.CompoundData, Data.Columbia |
| updateField | Data.Columbia.CompoundData, Data.Columbia |