How can I find out how much free space is available on disk?
Q
How can I find out how much free space is available on disk?
✍: Guest
A
There is no portable way. Under some versions of Unix you can call statfs. Under MS-DOS, use interrupt 0x21 subfunction 0x36, or perhaps a routine such as diskfree. Another possibility is to use popen to invoke and read the output of a ``disk free'' command (df on Unix).
(Note that the amount of free space apparently available on a disk may not match the size of the largest file you can store, for all sorts of reasons.)
2015-04-03, 1071👍, 0💬
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