Will modify the simulation cache associated with the given zSolver node.:

zCache -h;
       // Result: Flags:
       zCache ...
       -h   -help       <n/a>       Print this help message.
       -c   -clear      <n/a>       Clears the simulation cache.
       -s   -save       <filename>  Saves the simulation cache to the given file.
       -l   -load       <filename>  Loads the simulation cache from the given file.
       -ts  -timeStart  <float>     Start frame of cache modification (default: -infinity)
       -te  -timeEnd    <float>     End frame of cache modification (default: infinity)
This command is used to modify the simulation cache associated with a given zSolver.
To use, first select a zSolver node, or a body associated with a zSolver.
The zSolver must already have a zCache node created for it.
Use `ziva -addCacheNode` if the zCache hasn't already been created.
Example: `zCache -clear -timeStart 0 -timeEnd 200` clears the cache for frames 0-200.
Example: `zCache -save myCache.ziva` saves the full cache to the file 'myCache.ziv'.
Example: `zCache -load myCache.ziva` loads the cache stored in the file 'myCache.ziv'.