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The Linux Staging tree (or just "staging" from now on) is used to hold stand-alone drivers and filesystems that are not ready to be merged into the main portion of the Linux kernel tree at this point in time for various technical reasons.
As you can see from the Linux Family Tree, Ark Linux is a main branch distribution (with a little inbreeding from cousin Redhat) that’s been around since 2003.
One of the stated goals of the staging tree is to bring widely-used drivers into the mainline kernel tree. This effort has been quite successful; the number of out-of-tree drivers has dropped considerably over the last year or so. There is one high-profile holdout, though: the Linux Infrared Remote Control (LIRC) subsystem.
The Linux file system is a directory tree that is consistent with each Linux distribution. This directory tree begins with the / (root) and then expands under that position like an upside down tree. Each directory under / has a specific purpose whether it is to store system files, constantly changing log files, device drivers or files created by users on the system.
You might have noticed that I started working on cleaning up the tree (before I had a few problems with my system, but that’s for another day). Some people wondered whether that’s really going to make much difference, so I wanted to take a look.
GRAMPS is a genealogy program. It helps you organize your family tree, and is capable of exchanging data with other programs using the GEDCOM standard.
gpgdir uses GNU Privacy Guard (GnuPG) to encrypt and decrypt files or a directory tree. You could accomplish the same objective by tarring the filesystem up and then encrypting the tar.gz file with GnuPG, but then you would still have to shred or wipe every file in the original directory tree. With gpgdir the whole tree is encrypted in one command.