UC
Line command. Alias for CU.
UCM
SAS/ETS. Procedure. Unobserved Components Models.
UCS
[Universal Character Set]
a standard numeric character encoding, defined by by International Standard ISO/IEC 10646, commonly considered to be equivalent to and interchangeable with Unicode.
UCS-2
a standard data encoding of a subset of UCS using 2-byte, 16-bit code units.
UCS-4
a standard data encoding of UCS using 4-byte, 32-bit code units.