Processor/RAM speed
 

whats the command to print processor speed, RAM available?

free -m can give you an idea of your physical memory. For processor you can get information from a file /proc/cpuinfo

U can see prcessor speed in /proc/cpuinfo and for RAM u can use top or /proc/meminfo

If you ever wonder what the commands are in Linux to perform a specific function you can get a list of commands and a description of what they do with the following command typed in terminal mode:
For instance to find commands which give information about memory:
Once you find a command you wish to use if you need more information on how to use that command, type:
For example:
will give the manual page on the free command.