Unix. GUIs were first shown at Xerox PARC (Palo Alto Research Center) in 1973. X-Windows is used on Unix to decouple I/O from processing, in other words what you're working on can be displaying on your computer but executing on another. NeXTstep is Apple's Unix developed on/from/with BSD (Berkley Software Division) Unix. I would assume that suntools were developed on Sun Solaris.
Answer: Reconnaissance
Explanation:Reconnaissance is referred as the initial/primary phase in which the attacker/ hacker puts the every effort to gain the knowledge about the target that is collecting facts about the DNS data, network records, IP address, range of IP etc.
It is the initial step done by the attackers to do the preparation of the hacking.It is done by the two phases that is active phase and the passive phase.
The answer in the space provided is the bullets as this is
the graphic elements that are used in each items that is organized in a list in
a way of making the list more clearer and more presentable with the given
indications or symbols.
