The Sleuth Kit ver 4.4.2

Missing image name and/or address usage: blkcat [-ahsvVw] [-f fstype] [-i imgtype] [-b dev_sector_size] [-o imgoffset] [-u usize] image [images] unit_addr [num] -a: displays in all ASCII -h: displays in hexdump-like fashion -i imgtype: The format of the image file (use '-i list' for supported types) -b dev_sector_size: The size (in bytes) of the device sectors -o imgoffset: The offset of the file system in the image (in sectors) -f fstype: File system type (use '-f list' for supported types) -s: display basic block stats such as unit size, fragments, etc. -v: verbose output to stderr -V: display version -w: displays in web-like (html) fashion -u usize: size of each data unit in image (for raw, blkls, swap) [num] is the number of data units to display (default is 1)