@cindex read from stdin and write to stdout and files
The @code{tee} command copies standard input to standard output and also
-to any files given as arguments. This is useful when you not only want
+to any files given as arguments. This is useful when you want not only
to send some data down a pipe, but also to save a copy.
Synopsis:
@item %s
@cindex epoch, seconds since
@cindex seconds since the epoch
-seconds since 1970-01-01 00:00:00 UCT (a nonstandard extension)
+seconds since 1970-01-01 00:00:00 UTC (a nonstandard extension)
@item %S
second (00@dots{}61)
@item %T