tree 6d899125eeec4f697603003711279be4a2463040
parent 934acb7e2f084eb89798b4fd95b40dbb00f85a77
author Milton Miller <miltonm@us.ibm.com> 1466024543 -0500
committer Milton Miller <miltonm@us.ibm.com> 1466636204 -0500

initfs: update: add --help message

Now that update is intended for use at runtime and not just by
the init and shutdown scripts, add a short help message listing
the options so people don't have to understand how to read shell.

Signed-off-by: Milton Miller <miltonm@us.ibm.com>