Merge pull request #285 from waldyrious/patch-1

use a more useful second example

pages/common/uname.md

@@ -1,14 +1,14 @@
 # uname
 
-> Print operating system name
+> Print details about the current machine and the operating system running on it
 
-- Print all available operating system and kernel information
+- Print hardware-related information: machine and processor
 
-`uname -a`
+`uname -mp`
 
-- Print the current operating system name (e.g. Linux, Darwin, SunOS, etc)
+- Print software-related information: system name (Linux, Darwin...), release number, and version
 
-`uname -s`
+`uname -srv`
 
 - Print the nodename (hostname) of the system