Coming back to this in case anyone else runs into this issue.

bash has a built in "time" command. But there is also a system time
binary. The manual describes the system binary functionality only. So
it's not really a bug so much that it's unexpected for the user. When
you run bash in posix mode, it does use the time binary on the system.

If you start your shell with `bash --posix` or `sh` or `dash` the time
command works as documented in the manual. If you're writing a shell
script, using the standard `#!/bin/sh` should ensure your script follows
the posix standard for time.

You can also create an alias using `alias time=/usr/bin/time` which will
override bash's internal time function for the system installed time
binary.

This issue is unlikely to ever be fixed as it's not really a bug, just
unexpected behavior.

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https://bugs.launchpad.net/bugs/660655

Title:
  time command doesnt recognize it's own arguments

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