cederom opened a new issue, #17274:
URL: https://github.com/apache/nuttx/issues/17274
### Is your feature request related to a problem? Please describe.
* `free` is built in utility that shows memory usage.
* On platforms with large amounts of memory result of `free` is hard to
read, for instance on rPI4B:
```
nsh> free
total used free maxused maxfree nused nfree name
18446744073637310464 2279218446744073637287672
2346418446744073637287672 28 1 Umem
```
### Describe the solution you'd like
Common approach in Unix / POSIX [1] utilities is to use `-h` switch to
produce "human readable" output, for instance `df` [2]:
> -h
> The human-readable option selects to format sizes in metric units (e.g. 10
MB). Available in the BSD and GNU coreutils.
[1] https://en.wikipedia.org/wiki/List_of_POSIX_commands
[2] https://en.wikipedia.org/wiki/Df_(Unix)
### Describe alternatives you've considered
_No response_
### Verification
- [x] I have verified before submitting the report.
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