Examples of
command line interface are.
a) DOS
b) UNIX
c) both a & b
d) none of these
DOS stands for………
a) disk operating system
b) drive operating system
c) doc operating system
d) div operating system
……is non-graphical command line operating system.
a) UNIX
b) LINUX
c) DOS
d) windows
DOS operating system is ……used today.
a) commonly
b) not commonly
c) similarly
d) none of these
The command shell is used through……to support existing DOS.
a) Microsoft Windows
b) operating system
c) both a & b
d) none of these
UNIX was developed in……….
a) 1950s
b) 1960s
c) 1970s
d) 1980s