| TEE(1) | General Commands Manual | TEE(1) | 
tee —
| tee | [ -ai] [file ...] | 
tee utility copies standard input to standard
  output, making a copy in zero or more files. The output is unbuffered.
The following options are available:
The following operands are available:
The tee utility takes the default action
    for all signals, except in the event of the -i
    option.
tee utility exits 0 on success,
  and >0 if an error occurs.
tee function is expected to be POSIX
  IEEE Std 1003.2 (“POSIX.2”) compatible.
| June 6, 1993 | NetBSD 10.1 |