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Let's put this website on a git repo as well

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1.7 - 2010-08-13
- List the detected hard links in file info window
- Count the size of a hard linked file once for each directory it appears in
- Fixed crash on browsing dirs with a small window size (#2991787)
- Fixed buffer overflow when some directories can't be scanned (#2981704)
- Fixed segfault when launched on a nonexistant directory (#3012787)
- Fixed segfault when root dir only contains hidden files
- Improved browsing performance
- More intuitive multi-page browsing
- Display size graph by default
- Various minor fixes
1.6 - 2009-10-23
- Implemented hard link detection
- Properly select the next item after deletion
- Removed reliance of dirfd()
- Fixed non-void return in void delete_process()
- Fixed several tiny memory leaks
- Return to previously opened directory on failed recalculation
- Properly display MiB units instead of MB (IEEE 1541 - bug #2831412)
- Link to ncursesw when available
- Improved support for non-ASCII characters
- VIM keybindings for browsing through the tree (#2788249, #1880622)
1.5 - 2009-05-02
- Fixed incorrect apparent size on directory refresh
- Browsing keys now work while file info window is displayed
- Current directory is assumed when no directory is specified
- Size graph uses the apparent size if that is displayed
- Items are ordered by displayed size rather than disk usage
- Removed switching between powers of 1000/1024
- Don't rely on the availability of suseconds_t
- Correctly handle paths longer than PATH_MAX
- Fixed various bugs related to rpath()
- Major code rewrite
- Fixed line width when displaying 100%
1.4 - 2008-09-10
- Removed the startup window
- Filenames ending with a tidle (~) will now also be hidden with the 'h'-key
- Fixed buffer overflow when supplying a path longer than PATH_MAX (patch by Tobias Stoeckmann)
- Used S_BLKSIZE instead of a hardcoded block size of 512
- Fixed display of disk usage and apparent sizes
- Updated ncdu -h
- Included patches for Cygwin
- Cursor now follows the selected item
- Added spaces around path (debian #472194)
- Fixed segfault on empty directory (debian #472294)
- A few code rewrites and improvements
1.3 - 2007-08-05
- Added 'r'-key to refresh the current directory
- Removed option to calculate apparent size: both the disk usage and the apparent size are calculated.
- Added 'a'-key to switch between showing apparent size and disk usage.
- Added 'i'-key to display information about the selected item.
- Small performance improvements
- configure checks for ncurses.h (bug #1764304)
1.2 - 2007-07-24
- Fixed some bugs on cygwin
- Added du-like exclude patterns
- Fixed bug #1758403: large directories work fine now
- Rewrote a large part of the code
- Fixed a bug with wide characters
- Performance improvements when browsing large dir
1.1 - 2007-04-30
- Deleting files and directories is now possible from within ncdu.
- The key for sorting directories between files has changed to 't' instead of 'd'.
The 'd'-key is now used for deleting files.
1.0 - 2007-04-06
- First stable release
- Small code cleanup
- Added a key to toggle between sorting dirs before files and dirs between files
- Added graphs and percentages to the directory browser (can be enabled or disabled with the 'g'-key)
0.3 - 2007-03-04
- When browsing back to the previous directory, the directory you're getting
back from will be selected.
- Added directory scanning in quiet mode to save bandwidth on remote connections.
0.2 - 2007-02-26
- Fixed compliance with some operating systems: replaced realpath() with with my own
implementation, and gettimeofday() is not required anymore (but still highly recommended)
- Added a warning for terminals smaller than 60x16
- Mountpoints (or any other directory pointing to another filesystem) are now considered to be
directories rather than files.
0.1 - 2007-02-21
- Initial version

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ncdu(1) ncdu manual ncdu(1)
NAME
ncdu - NCurses Disk Usage
SYNOPSIS
ncdu [-hqvx] [--exclude PATTERN] [-X FILE] dir
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.
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.
-v Print version.
-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.
-X FILE, --exclude-from FILE
Exclude files that match any pattern in FILE. Patterns should be
separated by a newline.
KEYS
? Show help + keys + about screen
up, down j, k
Cycle through the items
right, enter, l
Open selected directory
left, <, h
Go to parent directory
n Order by filename (press again for descending order)
s Order by filesize (press again for descending order)
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.
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.
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.
i Show information about the current selected item.
r Refresh/recalculate the current directory.
q Quit
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.
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 1.7 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.
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
AUTHOR
Written by Yoran Heling <projects@yorhel.nl>.
SEE ALSO
du(1)
ncdu-1.7 Aug 13, 2010 ncdu(1)