AVFS (A Virtual File System) is an easy-to-install system that enables all programs to access archived, compressed, remote, or other kind of virtual files without the need to recompile programs or the kernel. The following modules are currently implemented: tar, zip, rar, gzip, bzip2, ftp, http, dav, rsh/ssh, floppy, and many more.
ABISS (Active Block I/O Scheduling System) is an extension for the Linux kernel that implements priorities for disk IO operations, and that provides a means for applications to use these priorities to obtain real-time (e.g. a guaranteed data rate) and prioritized best-effort services. The kernel code is supported by a user space daemon and a library.
Autodir is a tool for creating directories transparently to the applications accessing them based on information available from sources like password and group databases. It currently supports the creation of home and group directories for LDAP, NIS, and SQL Unix accounts, and uses the autofs Linux kernel module to detect directory requests. It also supports calling backup programs when specific directories are not in use so that systems need not be taken offline for backup purposes.
autofs is a kernel-based automounter for Linux. It performs a job similar to amd but relies on a small stub of kernel code instead of pretending to be an NFS server. The result is simpler code, better reliability, and much faster operation in the common case (everything already mounted). Autofs 4 adds support for automounting trees of exported filesystems via /net.
Autofs NG is a Linux automounter that is intended to be completely interoperable with autofs implementations on other Unix platforms. As such, it supports some features that the current Linux automounters do not. This includes direct mounts, /net (--hosts access), lazy mounting and unmounting of hierarchical multimounts, and browsing. Autofsng also supports the usual indirect map support available elsewhere. Maps are supported from flat files, executable maps, NIS maps, NIS+ maps, LDAP maps, and hesiod (DNS) filsys namespace.
BleachBit deletes junk to recover disk space and maintain privacy. It rids your system of old junk including cache, Internet history, temporary files, unused locale files (better than localepurge), logs, and cookies. Designed for Linux systems, it wipes clean 50 applications including Adobe Reader, Bash, Firefox, Flash, OpenOffice.org, Opera, Real Player, Skype, and more. It shreds files so that they cannot be recovered, and it wipes free disk space to hide insecurely deleted files. It offers both a simple PyGTK GUI and a command line interface for automation.
CDfs is a file system for Linux systems that `exports' all tracks and boot images on a CD as normal files. These files can then be mounted (e.g. for ISO and boot images), copied, played (audio tracks), etc. The primary goal for developing this file system was to `unlock' information in old ISO sessions. The file system also allows you to access data on faulty multi session disks, e.g. disks with multiple single sessions instead of a multi session.