peekfd -V (return code: 1)
peekfd (PSmisc) 22.21 Copyright (C) 2007 Trent Waddington PSmisc comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under the terms of the GNU General Public License. For more information about these matters, see the files named COPYING.
peekfd --help (return code: 1)
Usage: peekfd [-8] [-n] [-c] [-d] [-V] [-h] <pid> [<fd> ..] -8 output 8 bit clean streams. -n don't display read/write from fd headers. -c peek at any new child processes too. -d remove duplicate read/writes from the output. -V prints version info. -h prints this help. Press CTRL-C to end output.