F_BSIZE=0# Preferred file system block sizeF_FRSIZE=1# Fundamental file system block sizeF_BLOCKS=2# Total number of file system blocks (FRSIZE)F_BFREE=3# Total number of free blocksF_BAVAIL=4# Free blocks available to non-superuserF_FILES=5# Total number of file nodesF_FFREE=6# Total number of free file nodesF_FAVAIL=7# Free nodes available to non-superuserF_FLAG=8# Flags (see your local statvfs man page)F_NAMEMAX=9# Maximum file name length