gvalkov

------------- pip help -------------

Usage: pip COMMAND [OPTIONS]

Commands:
  bundle               Create pybundles (archives containing multiple packages)
  freeze               Output all currently installed packages (exact versions) to stdout
  help                 Show available commands
  install              Install packages
  search               Search PyPI

gvalkov

$ gem
RubyGems is a sophisticated package manager for Ruby.  This is a
basic help message containing pointers to more information.

  Usage:
    gem -h/--help
    gem -v/--version
    gem command [arguments...] [options...]

  Examples:

gvalkov

$ /usr/bin/time --verbose python test.py py uint32 
9.54168200493
	Command being timed: "python test.py py uint32"
	User time (seconds): 11.04
	System time (seconds): 1.46
	Percent of CPU this job got: 98%
	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:12.73
	Average shared text size (kbytes): 0
	Average unshared data size (kbytes): 0
	Average stack size (kbytes): 0

gvalkov

Extracting 5 frames from source.gif
Creating extra frame 'frame-0005.gif' from 'frame-0000.gif'

Blending frame-0001.gif with frame-0000.gif:
frame-0001.gif + 0000% + frame-0000.gif -> frame-0001-0000.gif 
frame-0001.gif + 0010% + frame-0000.gif -> frame-0001-0010.gif 
frame-0001.gif + 0030% + frame-0000.gif -> frame-0001-0030.gif 
frame-0001.gif + 0051% + frame-0000.gif -> frame-0001-0051.gif 
frame-0001.gif + 0068% + frame-0000.gif -> frame-0001-0068.gif 
frame-0001.gif + 0080% + frame-0000.gif -> frame-0001-0080.gif 

gvalkov

------ cabal --help ------

This program is the command line interface to the Haskell Cabal infrastructure.
See http://www.haskell.org/cabal/ for more information.

Usage: cabal COMMAND [FLAGS]
   or: cabal [GLOBAL FLAGS]

Global flags:
 -h --help            Show this help text

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Usage: pip <command> [options]

Commands:
  bundle      create pybundle 
  freeze      list installed packages 
  help        show available commands
  install     install packages
  search      search pypi
  uninstall   uninstall packages
  unzip       unzip individual packages

gvalkov

$ ./youtube-dl --help
Usage: Usage : youtube-dl [options] url...

Options:
  General Options:
    -h, --help               print this help text and exit
    -v, --version            print program version and exit
    -U, --update             update this program to latest stable version
    -i, --ignore-errors      continue on download errors
    -r, --rate-limit LIMIT   download rate limit (e.g. 50k or 44.6m)