---
title: "Random Access and Sequential Data File for the Portuguese Disk System"
type: "article"
slug: "random-access-and-sequential-data-file-for-the-portuguese-disk-system-2"
url: "http://localhost/article/random-access-and-sequential-data-file-for-the-portuguese-disk-system-2/"
markdown_url: "http://localhost/article/random-access-and-sequential-data-file-for-the-portuguese-disk-system-2.md"
published_at: "2026-01-23T12:46:28+00:00"
modified_at: "2026-01-23T12:46:28+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "The following base is data program for use in my design business. Although specifically designed for my personal use I believe there are several features that would be of interest to you."
post_tag:
  - name: "FDD 3000"
    slug: "fdd-3000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/fdd-3000/"
  - name: "FDD-3"
    slug: "fdd-3"
    taxonomy: "post_tag"
    url: "http://localhost/tag/fdd-3/"
  - name: "TS 2068"
    slug: "ts2068"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts2068/"
  - name: "Type-in program"
    slug: "type-in-program"
    taxonomy: "post_tag"
    url: "http://localhost/tag/type-in-program/"
model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
    taxonomy: "model"
    url: "http://localhost/model/ts-2068/"
indiv:
  - name: "George Gilder"
    slug: "george-gilder"
    taxonomy: "indiv"
    url: "http://localhost/indiv/george-gilder/"
publication_r:
  id: 49591
  title: "FDD Newsletter"
  type: "periodical"
  url: "http://localhost/periodical/fdd-newsletter/"
authors_r:
  - name: "George Gilder"
    slug: "george-gilder"
    taxonomy: "indiv"
    url: "http://localhost/indiv/george-gilder/"
issues_articles:
  - id: 49632
    title: "FDD Newsletter v1 n3"
    type: "issue"
    url: "http://localhost/issue/fdd-newsletter-v1-n3/"
pages: "5-8"
pubdate: "August 1991"
archive_link: false
---

# Random Access and Sequential Data File for the Portuguese Disk System

The following base is data program for use in my design business. Although specifically designed for my personal use I believe there are several features that would be of interest to you.