# OPML
Outline Processor Markup Language is an XML format for exchanging outlines and feed lists; it matters here as a structured-information format in an application inventory.
## Historical and Technical Context
The upper group completes page 8’s boot-and-filesystem map: NFS client services consume remote exports; udev is the kernel-device event manager; Plymouth renders the graphical boot splash; POSIX message queues provide interprocess communication. The lower group shifts back to installed or downloaded software: database/collection tools, editors, website/app-building software, outline-exchange files, a browser suite, Western Digital backup software, and a note-capture utility. The juxtaposition is revealing: the author was cataloging **both operating-system services and userland artifacts**, likely from the same recovered environment.
## Role in Scanned_20260730-1802
The primary identifying evidence appears on PDF page 9. Continuation of the Linux/service inventory followed by a separate cluster of application and archive names. The first four lines are infrastructure terms; the remainder resembles a downloads or applications list. Within that page, OPML helps the notebook move from a visible name or artifact toward the underlying identity, protocol, ownership, or control structure.
## Notebook Evidence
- `Scanned_20260730-1802.pdf`, PDF page 9: "OPML.zip"
**Evidentiary status:** Visible evidence: two distinct lexical clusters on one page. Strong inference: continuation of a machine inventory. “Lightwell” may refer to Hullabalu’s visual app-building platform, but the archive must be recovered before firm attribution.
The canonical name **OPML** is normalized outside the quotations. The quoted lines preserve the completed reconstruction's spelling, capitalization, and uncertainty markers.
## Relationships
On PDF page 9, OPML appears in the same evidentiary cluster as [[Network File System|Network File System]], [[udev|udev]], [[Plymouth|Plymouth]], [[POSIX Message Queues|POSIX Message Queues]], [[SymPhytum|SymPhytum]], [[Bluefish Editor|Bluefish Editor]], [[Lightwell|Lightwell]], [[SeaMonkey|SeaMonkey]], [[WD SmartWare|WD SmartWare]], [[Captio|Captio]]. These links record page-level proximity and the reconstruction's systems map; they do not by themselves prove corporate ownership or a direct technical dependency.
## Cross-Notebook Significance
Pages 7-9 form a coherent three-page inventory sequence. In the larger collection, this habit supports the device-and-software lineage work visible in the “Certs and Infra!” and device-sticker notebooks.
## Missed Signals and Open Leads
Resolve `Lightwell.zip`, `OPML.zip`, and “Captio Note” from file metadata. Determine whether WD SmartWare points to a specific external-drive backup that may preserve the original datasets behind pages 3-6.
## Sources
- [[Scanned_20260730-1802|Scanned_20260730-1802]], especially PDF page 9.
- `Scanned_20260730-1802.pdf`, cited as a plain archival filename; the PDF is not stored in `wiki-notes`.