| 软件简介： |
Unionfs, developed at Stony Brook university since 2004, is a stackable unification file system, which can merge the contents of several directories (so called branches) while keeping their physical content separate. It allows any mix of read-only and read-write branches, as well as insertion and deletion of branches on the fly. Unionfs can be used in several ways, for example to unify home directories from multiple filesystems on different disk partitions, or to merge several CDs to create a unified view of a photo archive. In a similar view, Unionfs, with copy-on-write functionality, can be used to merge read-only and read-write filesystems together and to virtually allow modification of read-only filesystems saving changes to the writable ones.
SLAX is a 177 MB Linux Live distribution which aims at compacting full featured Linux operating system to a portable medium (like usb flash drive or mini-cd) and allows everyone to boot Linux on any machine without the need to install it. It works even on computers with no harddisk at all. Unionfs is the most important part of a SLAX, it allows SLAX to seem and act as a real Linux OS with full-writable root directory tree. So let's speak about unionfs first. |
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