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Save disk space - use compFUSEd to transparently compress filesystems


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Save disk space - use compFUSEd to transparently compress filesystems

Tue, 10 Jun 2008 08:00:00 GMT
The Filesystem in Userspace (FUSE) project allows you install new filesystems without touching your Linux kernel. The filesystems run as regular programs, allowing them to use shared libraries and perform tasks that would be difficult from inside the Linux kernel. FUSE filesystems look just like regular filesystems to other applications on the machine. In this article I'll look at compFUSEd, which is a compressed FUSE filesystem. Using compFUSEd can save a significant amount of disk space for files that are highly compressible, such as many text documents and executable files.


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PYDF(1) 						      General Commands Manual							   PYDF(1)

NAME
pydf - report colourised filesystem disk space usage
SYNOPSIS
pydf [options] [file]
DESCRIPTION
pydf is a python script that displays the amount of disk space available on the mounted filesystems, using different colours for different types of filesystems. Output format is completely customizable. If an optional file argument is given, pydf displays just information about filesystem containing the file(s), otherwise it displays information about all mounted filesystems.
OPTIONS
--help Show summary of options. -v, --version Show version of program. -a, --all include filesystems having 0 blocks -h, --human-readable print sizes in human readable format (e.g., 133K 2341M 2448G) -H, --si likewise, but use powers of 1000 not 1024 --block-size=SIZE use SIZE-byte blocks -k, --kilobytes like --block-size=1024 -i, --inodes show information about inodes instead of blocks -l, --local limit listing to local filesystems -m, --megabytes like --block-size=1048576 -g, --gigabytes like --block-size=1073741824 --blocks use filesystem native block size --bw do not use colours --mounts=FILE file to get mount information from. On normal linux system, only /etc/mtab or /proc/mounts make sense. Use /proc/mounts when /etc/mtab is corrupted or inaccessible (the output looks a bit weird in this case though) -B, --show-binds Show also mount --bind mounted filesystems.
BUGS
When running with python3, mountpoints with out-of-locale non ASCII names will not be displayed (due to inability of os.statvfs to use bytes instead of strings).
FILES
/etc/pydfrc main configuration file ~/.pydfrc per-user configuration file
SEE ALSO
df(1)
AUTHOR
Radovan Garabik <garabik@kassiopeia.juls.savba.sk> PYDF(1)

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