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ncdc 1.5 and ncdu 1.8 released + minor changes

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Yorhel 2011-11-03 13:32:32 +01:00
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@ -1,4 +1,4 @@
ncdu(1) ncdu manual ncdu(1)
ncdu(1) ncdu manual ncdu(1)
@ -11,31 +11,32 @@ SYNOPSIS
DESCRIPTION
ncdu (NCurses Disk Usage) is a curses-based version of the well-known
'du', and provides a fast way to see what directories are using your
disk space.
ncdu (NCurses Disk Usage) is a curses-based version of the well-known 'du', and
provides a fast way to see what directories are using your disk space.
OPTIONS
-h Print a small help message
-q Quiet mode. While calculating disk space, ncdu will update the
screen 10 times a second by default, this will be decreased to
once every 2 seconds in quiet mode. Use this feature to save
bandwidth over remote connections.
-q Quiet mode. While calculating disk space, ncdu will update the screen 10
times a second by default, this will be decreased to once every 2 seconds
in quiet mode. Use this feature to save bandwidth over remote connec‐
tions.
-r Read-only mode. This will disable the built-in file deletion feature.
-v Print version.
-x Only count files and directories on the same filesystem as the
specified dir.
-x Only count files and directories on the same filesystem as the specified
dir.
--exclude PATTERN
Exclude files that match PATTERN. This argument can be added
multiple times to add more patterns.
Exclude files that match PATTERN. This argument can be added multiple
times to add more patterns.
-X FILE, --exclude-from FILE
Exclude files that match any pattern in FILE. Patterns should be
separated by a newline.
Exclude files that match any pattern in FILE. Patterns should be sepa‐
rated by a newline.
KEYS
@ -56,22 +57,21 @@ KEYS
a Toggle between showing disk usage and showing apparent size.
d Delete the selected file or directory. An error message will be
shown when the contents of the directory do not match or do not
exist anymore on the filesystem.
d Delete the selected file or directory. An error message will be shown
when the contents of the directory do not match or do not exist anymore
on the filesystem.
t Toggle dirs before files when sorting.
g Toggle between showing percentage, graph, both, or none. Per-
centage is relative to the size of the current directory, graph
is relative to the largest item in the current directory.
g Toggle between showing percentage, graph, both, or none. Percentage is
relative to the size of the current directory, graph is relative to the
largest item in the current directory.
e Show/hide 'hidden' or 'excluded' files and directories. Please
note that even though you can't see the hidden files and direc-
tories, they are still there and they are still included in the
directory sizes. If you suspect that the totals shown at the
bottom of the screen are not correct, make sure you haven't
enabled this option.
e Show/hide 'hidden' or 'excluded' files and directories. Please note that
even though you can't see the hidden files and directories, they are
still there and they are still included in the directory sizes. If you
suspect that the totals shown at the bottom of the screen are not cor‐
rect, make sure you haven't enabled this option.
i Show information about the current selected item.
@ -81,46 +81,44 @@ KEYS
HARD LINKS
Every disk usage analysis utility has its own way of (not) counting
hard links. There does not seem to be any universally agreed method of
handling hard links, and it is even inconsistent among different ver-
sions of ncdu. This section explains what each version of ncdu does.
Every disk usage analysis utility has its own way of (not) counting hard links.
There does not seem to be any universally agreed method of handling hard links,
and it is even inconsistent among different versions of ncdu. This section
explains what each version of ncdu does.
ncdu 1.5 and below does not support any hard link detection at all:
each link is considered a separate inode and its size is counted for
every link. This means that the displayed directory sizes are incorrect
when analyzing directories which contain hard links.
ncdu 1.5 and below does not support any hard link detection at all: each link is
considered a separate inode and its size is counted for every link. This means
that the displayed directory sizes are incorrect when analyzing directories
which contain hard links.
ncdu 1.6 has basic hard link detection: When a link to a previously
encountered inode is detected, the link is considered to have a file
size of zero bytes. Its size is not counted again, and the link is
indicated in the browser interface with a 'H' mark. The displayed
directory sizes are only correct when all links to an inode reside
within that directory. When this is not the case, the sizes may or may
not be correct, depending on which links were considered as "duplicate"
and which as "original". The indicated size of the topmost directory
(that is, the one specified on the command line upon starting ncdu) is
always correct.
ncdu 1.6 has basic hard link detection: When a link to a previously encountered
inode is detected, the link is considered to have a file size of zero bytes.
Its size is not counted again, and the link is indicated in the browser inter‐
face with a 'H' mark. The displayed directory sizes are only correct when all
links to an inode reside within that directory. When this is not the case, the
sizes may or may not be correct, depending on which links were considered as
"duplicate" and which as "original". The indicated size of the topmost directory
(that is, the one specified on the command line upon starting ncdu) is always
correct.
ncdu 1.7 has improved hard link detection. Each file that has more than
two links has the "H" mark visible in the browser interface. Each hard
link is counted exactly once for every directory it appears in. The
indicated size of each directory is therefore, correctly, the sum of
the sizes of all unique inodes that can be found in that directory.
Note, however, that this may not always be same as the space that will
be reclaimed after deleting the directory, as some inodes may still be
accessible from hard links outside it.
ncdu 1.7 has improved hard link detection. Each file that has more than two
links has the "H" mark visible in the browser interface. Each hard link is
counted exactly once for every directory it appears in. The indicated size of
each directory is therefore, correctly, the sum of the sizes of all unique
inodes that can be found in that directory. Note, however, that this may not
always be same as the space that will be reclaimed after deleting the directory,
as some inodes may still be accessible from hard links outside it.
BUGS
Directory hard links are not supported. They will not be detected as
being hard links, and will thus be scanned and counted multiple times.
Directory hard links are not supported. They will not be detected as being hard
links, and will thus be scanned and counted multiple times.
Some minor glitches may appear when displaying filenames that contain
multibyte or multicolumn characters.
Some minor glitches may appear when displaying filenames that contain multibyte
or multicolumn characters.
Please report any other bugs you may find at the bug tracker, which can
be found on the web site at http://dev.yorhel.nl/ncdu
Please report any other bugs you may find at the bug tracker, which can be found
on the web site at http://dev.yorhel.nl/ncdu
AUTHOR
@ -132,4 +130,4 @@ SEE ALSO
ncdu-1.7 Aug 13, 2010 ncdu(1)
ncdu-1.8 Nov 3, 2011 ncdu(1)