caching

Sometimes when I am done with heavy web browsing, the system is not as fast as a fresh reboot. One thing is that a lot of the memory has been paged, but I can just disable and re-enable the swap space to load all the paged memory back in RAM. But the other thing is a lot of my cache is gone, and...

Just for experimental purposes, I want to try completely disabling any memory caching that goes on at runtime. Only memory that is really needed should be allocated. Is something like this possible?

Hi everyone! I have a question about DNS cache . I've tried to see dns cache records in linux with the command similar to windows and with no success. After quick search i saw that i need NSCD daemon And after that Run the command service nscd status or sudo service nscd status But it dose'nt...