First UNIX system is written.

• 1965

• 1969

• 1973

• 1980

The two predominant software paradigms

• Free and Open Source Software

• Comparable Software

• Proprietary Software

• Device Software

FOSS is:

• Freeware Operating Source Systems

• Favorite Open Source Software

• Free and Open Source Software

• Favorite Operating Systems

Which command allows you to view a list of the files and folders in a given directory

• ls

• grep

• cd

• shutdown

is a command-line shell command used to change the current working directory in (or change from one directory to another

• pwd

• rm

• cd

• chmod

command that shows the current directory

• mw

• cp

• chmod

• pwd

command changes passwords for user accounts

• mw

• passwd

• cd

• pwd

command to display information about WIRED network adapters and addressing configuration

• ifconfig

• ps

• su

• sudo

command to change the owner of a particular file or directory

• iwconfig

• clear

• dd

• chown

display information about WIRELESS network adapters and addressing and addressing configuration

• su

• pwd

• iwconfig

• apt-get