Question

Please explain the advantages and disadvantages of command-line operating systems in a paragraph or two.

Answer 1

Advantages:

-These types of interfaces need much much less memory (RAM) in order to use compared to other types of user interfaces

-The cheaper monitor which is really having a  low resolution, can be used with this type of interface

-If the user knows the correct commands then this type of interface can be really much faster than any other type of interface as you compare

-It does not use as much CPU processing time as others

-(CLI) It does not require Windows to run

-For this type of interface the configuration can be far faster even compared to a GUI. Even with a few textual commands, a user can configure interfaces, routing protocols, and access lists. These items would require multiple mouse clicks and hunt for proper pages and tabs in a GUI.

-Also, the CLI can be scripted and easily used out with simple copy-and-paste functions using a scripting tool and a secure shell client. Thus, managing network devices that require individual, hop-by-hop management is far easier with CLI.

Disadvantages:

-For beginners or someone who has never used a CLI, it can be very confusing in the beginning

-If you mistype an instruction, it is often necessary to start from scratch again

-Here the Commands have to be typed carefully. If there is a spelling error the command will fail eventually

-There are a huge number of commands which need to be learned - in the case of Unix it can be hundreds

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