|WikiProject Computing||(Rated B-class, Low-importance)|
Isn't the default 1K blocks? --18.104.22.168 19:42, 15 January 2006 (UTC)
- The default output of df is blocks; however, blocks default to 512b, 1k, or 8k, depending on the filesystem in question. --ssd 07:41, 16 January 2006 (UTC)
df fakes the numbers?
The UNIX Haters Handbook states that df (obviously circa 1990) fakes the numbers to prevent a disk from actually becoming 100% full, except for root. Is this the case in the GNU implementation (or indeed was it ever the case)? — The preceding unsigned comment was added by Rossheth (talk • contribs) 21:49, 3 February 2007 (UTC).
- I'm not sure it's df that does that. A standard option for Linux when setting up filesystems is to reserve a set percentage (usually 5%) for root, but df sort of reports it. That is, I can run df and get /dev/hda6 ext3 66G 62G 407M 100% /home on one line; obviously 407M + 62G != 66G. The difference is the reserved percentage. --Gwern (contribs) 01:22 4 February 2007 (GMT)
- Gwern is right, most (if not all) Unix like system reserve some diskspace, IEEE Std 1003.1, 2004 Edition states:
- <percentage used>
- The percentage of the normally available space that is currently allocated to all files on the file system. This shall be calculated using the fraction: <space used>/( <space used>+ <space free>) expressed as a percentage. This percentage may be greater than 100 if <space free> is less than zero. The percentage value shall be expressed as a positive integer, with any fractional result causing it to be rounded to the next highest integer.
- Note Editing main page to include this Carpetsmoker 01:50, 15 February 2007 (UTC)
I removed the example table. It didn't seem to add anything to the article. Perhaps the existing example can be converted into a table, but what is the point?
|Filesystem||Total (1024-blocks)||Free Space||%Used||IUsed||%IUsed||Mounted on|
|4.58 GB||18.89 GB|
--Unixguy 19:20, 27 February 2007 (UTC)
- I agree, it looks ugly to :/ Carpetsmoker 18:06, 1 March 2007 (UTC)