June 2004
Intermediate to advanced
1056 pages
39h 58m
English
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Name
df
Synopsis
df [options] [name]
Reports the number of free disk blocks and inodes available on all
mounted filesystems or on the given name.
(Unmounted filesystems are checked with -F.)
name can be a device name (e.g.,
/dev/disk0s9), the directory name of a mount
point (e.g., /Volumes/Drive2), a directory name,
or a remote filesystem name (e.g., an NFS filesystem). Besides the
options listed, there are additional options specific to different
filesystem types or df modules.
Options
-
-a Show all mount points, even if mounted with
MNT_IGNORE.-
-b Print sizes in 512-byte blocks.
-
-g Print sizes in gigabytes.
-
-i Report free, used, and percent-used inodes.
-
-k Print sizes in kilobytes.
-
-l Show local filesystems only.
-
-m Print sizes in megabytes.
-
-n Print already known, potentially stale statistics about the filesystems, without requesting or calculating new statistics. This should be used only when requesting statistics would cause a large delay.
-
-ttype1type2,...] Show only filesystem types specified.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.