aws --version (return code: 0)
aws-cli/1.10.26 Python/2.7.12 Linux/4.4.0-36-generic botocore/1.4.17
aws --help (return code: 2)
usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
To see help text, you can run:
aws help
aws <command> help
aws <command> <subcommand> help
aws: error: too few arguments