Mastering DOS - Robbins, Judd (Quezon City Perfect Bound Pub., & Trading, 1987)
"For versions through 3.3 & 4"--Cover.
Reprint of the same ed. published by Sybex, San Francisco."
Reprinted under authority of Presidential Decree no. 285 as amended by P.D. Nos. 400 & 1203.
Keywords: PC DOS (Computer operating system).; MS-DOS (Computer operating system).