Lazarus Archive · LZ-21777

Onyx Shell 1.9

North Mardale Software, 1988. Application software for CP/M.

Description

A file manager for CP/M, published by North Mardale Software in 1988.

Provenance

Found in a school storeroom when the building was cleared. The disks had been stored beside a loudspeaker, and one track on each was weak. Most of the work survives, but some files are lost. The damage map lists them.

Preservation

Fixity (SHA-256)
f1058d46c13f70bbd227325536bb11f1f7bd36169a3d534b2e0c90e8ac37cddd
Last verified
Oct 6, 2026, by Vigil
Emulation profile
LZE-CPM-4 · lz-z80 core
Copies
Three, on two kinds of storage, in two cities
Original carriers
Kept in cold storage in Vancouver

Access

Free, in the Lazarus reading room in Vancouver and in partner reading rooms.

In the reading room it runs in emulation under profile LZE-CPM-4, from a read-only copy of the recovered image, as it would have on CP/M.

Cite as: North Mardale Software, Onyx Shell 1.9 (1988). Lazarus Archive, LZ-21777.

Also by North Mardale Software

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