Analyse: Why the drives are segregated?

If you are working on multiple files at a time, sometimes the system may hang. What is the reason behind it? How can you reduce it?

Are drives such as hard drive and floppy drives represented with drive letters?

Write the specific use of Cortana.

List out the major differences between Windows and Ubuntu OS.

Are there any difficulties you face while using Ubuntu? If so, mention it with reasons.

Differentiate Thunderbird and Firefox in Ubuntu OS.

Differentiate Save, Save As and Save a Copy in Ubuntu OS.

Write a note on Ubuntu OS.

How will you renaming the files or folders?