aix how to check os version?
['How to check the OS version for AIX platform. ... ', 'uname command with flag: ... ', 'uname -p = “Displays the architecture of the system processor.”', 'uname -r = “Displays the release number of the operating system.”', 'uname -s = “Displays the system name. ... ', 'uname -n = “Displays the name of the node.']