VMARC
From Just Solve the File Format Problem
John Fisher's CMS file-packaging utility.
VMARC Version 1.2.30 Usage: VMARC function fileid(s) ( options... Functions: PACK infileid <outfileid> UNPK <infileid> <outfileid> LIST infileid Options: Lzw | S2 | STore TRace | NOTrace REPlace | NOReplac | ASKrepla | NEWRepla OLDDate | NEWDate APPend | NOAppend BLock nnnn TAPn PUnch | PRint REader FIfo | LIfo