fix issue disable RLIMIT_AS,edit DOCKER_OPTS
@@ -2198,6 +2198,8 @@ available in the default container, you can set these using the `--ulimit` flag.
> If you do not provide a `hard limit`, the `soft limit` will be used for both
values. If no `ulimits` are set, they will be inherited from the default `ulimits`
set on the daemon.
+> `as` option is disabled for now. In other words, the following script is not supported:
+> `$docker run -it --ulimit as=1024 fedora /bin/bash`
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