News Techinical dital is presented at Linux Symposium 2009 (Montreal, Canada) "Effect of readahead and file system block reallocation for LBCAS (LoopBack Content Addressable Storage)" Slide-PDF, Paper-PDF (Proccedings of the Linux Symposium 2009, page 275-286) LiveCD for OS Circular is released. Bootable USB image for OS Circular and Debian packages are released. Transferred OSes are Ubuntu/Debian