Difference Between Sequential Read/Write and Random Read/Write


I mean the context in which is used, like would sequential be used in loading programs/bootup vice versa?
 
If you are talking about ssd,sequential is relevant and just a marketing gimmick,ssds use wear leveling which is a technique where blocks of data get shoveled around so that the blocks of the ssd wear out the same degree all over the disk,this also means that your files never remain as a continuous file for long.
 


Sequential would be a large single file. A contiguous video, perhaps.
Random would be loading an application. Lots of little files that are all over the place.

However, a 'single large video' may also be 'random', if that file were fragmented.

In what context are you asking this?
 

For example, what would bootup be?