TEE(1) User Commands TEE(1)

tee - pipe fitting

tee [-ai] [file ...]

The tee command transcribes the standard input to the standard output and makes a copy in each file.

It accepts the following options:

Causes the output to be appended to the files rather than overwriting them.
The tee command will ignore interrupts with this option.

cat(1)

1/11/03 Heirloom Toolchest