What are sknobs and their usage?

Hi,

Can someone help me understand or point me to a good article about “sknobs” - what they are and their usage in UVM?

Thanks!

In reply to UVM_SV_101:

https://verificationacademy.com/verification-methodology-reference/uvm/docs_1.2/html/files/base/uvm_cmdline_processor-svh.html