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Maybe I am a dinosaur,
and maybe even maintenance activities like 'defragging' have also gone the way of the dinosaur. ....
But I still feel like I'm floating at sea in a rowboat,
when I can't even do a 'dir' and automatically be told
how much space my files are taking up,
and how much space I have left on my hard drive or partition.
Isn't there a simple set of utilities or built-in commands that
do all the things the DOS commands did, (which was kinda like Unix anyway)?
How about the whole coreutils package? It does pretty much everything dos did, and more. I don't really think dos was much like linux... perhaps it's similar to a particular shell.
There isn't anything 'built in' to linux. All the command like ls, cp, rm etc are just programs sitting somewhere on the system. They are included as standard in every distro though.
As for defragging, it's not necessary to defrag an ext2/3 or reiserfs filesystem. Only microsoft buggered up the filesystem so hideously that it needs defragging.
ls -l will tell you in a dir like fashion how much space programs are taking up. If there's too much to fit on a page then pipe it through less (ls -l | less)
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