3 mksacfs \- make a compressed file system
14 copies files from the file tree
23 The files and directory structure are divided into
28 Larger blocks make large files more compact but take longer to access.
33 is given, the blocks are not compressed.
34 Otherwise each block is compressed using an efficient compression algorithm.
36 .B /sys/src/cmd/disk/sacfs/mksacfs.c