This directory contains files relating to the Incompatible Timesharing System. @.ddt Standalone DDT. build.info Tells how to build NSALV and DSKDMP boot tapes for KS10 ITS using the rest of the files in this directory. dskdmp.* DSKDMP, the standalone disk dumper/loader, built for various disks. its.tape Command file to build an NSALV boot tape using the MTS operating system, should help even if you're using another OS. mtboot.bin RH11C/TM03 tape boot block for DSKDMP or NSALV. ram.262 ITS microcode file. salv.* NSALV, the standalone disk salvager, built for various disks.