tcsh is a Unix shell, based on (and compatible with) the C shell. It is essentially the C shell with filename completion, command-line editing, and a few other features. The 't' in tcsh comes from the T in TENEX[?], an operating system which inspired the author of tcsh.
... of it is land and none of the area is covered with water.
Demographics
As of the census of 2000, there are 5,013 people, 1,455 households, and 1,223 families residing ...