> in the end I, as the end user, only want one specific thing written to disk at a time
so you're in some sort of text editor, and you think that's all you want written to disk at a time.
but meanwhile, you've got a messaging app running somewhere, and messages are coming in, and you'd like to have a local copy of those for performance reasons, so they're being written to disk.
you've got an RSS reader running, which just found out about a new posting somewhere; it's going to write it to disk so it can tell you about it at any time.
your media control panel - you just adjusted that because the piece of music you're listening to is a bit loud, and you expect it to remember the current setting the next time you restart, which means ... write to disk. and the music player itself - that's going to write to disk so that it knows where you were in the playlist next time.
and so on and so forth.
the idea of a computer being a device on which you run one program at a time vanished before MS-DOS even existed.
so you're in some sort of text editor, and you think that's all you want written to disk at a time.
but meanwhile, you've got a messaging app running somewhere, and messages are coming in, and you'd like to have a local copy of those for performance reasons, so they're being written to disk.
you've got an RSS reader running, which just found out about a new posting somewhere; it's going to write it to disk so it can tell you about it at any time.
your media control panel - you just adjusted that because the piece of music you're listening to is a bit loud, and you expect it to remember the current setting the next time you restart, which means ... write to disk. and the music player itself - that's going to write to disk so that it knows where you were in the playlist next time.
and so on and so forth.
the idea of a computer being a device on which you run one program at a time vanished before MS-DOS even existed.