tee — pipe fitting to copy standard output to file
command transcribes the standard input to the standard output
and makes copies in the
This option ignores interrupts.
This option appends the output to the
rather than overwriting the
determines the language in which messages are displayed.
is not specified in the environment or is set to
the empty string, the value of
is used as a default for each
unspecified or empty variable.
is not specified or is set to the empty string, a default of "C" (see
is used instead of
If any internationalization variable contains an invalid setting,
behaves as if all internationalization variables are set to "C".
International Code Set Support
Single- and multibyte character code sets are supported.
command returns zero upon successful completion,
or nonzero if the command fails.
Write a list of users to the screen
and also append the list to the file
tee: SVID2, SVID3, XPG2, XPG3, XPG4, POSIX.2