Stress Test (memory, cpu, gpu).

[EgoGratis]

Is it possible to run commands in the terminal that would:

1.) Fill up all available system memory and swap.
2.) Maxed out load on all CPU cores.
3.) Maxed out load on all GPU cores.

Thanks.

[Habitual]

REPOs have a package named 'stress'.

Other responders may have other alternatives.