tee - read from standard input and write to standard output and files
[-ai] [--append] [--ignore-interrupts] [--help] [--version] [file...]
This manual page
documents the GNU version of
command copies the standard input to the standard output and any
files given as arguments.
If a file being written to does not already exist, it is created. If
a file being written to already exists, the data it previously
contained is overwritten unless the
option is used.
- -a, --append
Append the standard input to the given files rather than overwriting them.
Print a usage message on standard output and exit successfully.
- -i, --ignore-interrupts
Ignore interrupt signals.
Print version information on standard output then exit successfully.