Operating Systems are
various types:
GUI (Graphical User Interface): Most
of the operating systems are windows based and currently Linux operating
systems like SUSE/RHEL/CENTOS/OLES.
CLI (Command Line interface): CLI are
more secured operating systems as most of the viruses are designed for
executables. CLI OS version works based on Libraries and Scripts. AIX, HP -
Unix and Oracles SUN Solaris.
haracter based Operating
systems: These are also command line interface operating systems but worked
based on characters and numbers. Easy to operate and navigate to the system.
Ex:
AS400/OS400
