Backup Pages

Archive of external reference material preserved for long-term access

This section contains backup archives of external reference material. These pages are preserved to ensure continued access to valuable information if the original sources become unavailable.

All backup pages are protected from search engine indexing to respect original content creators’ intellectual property rights.

1. Backup Pages Currently Archived

The following pages have been archived:

Articles in this section

TitleDescriptionUpdated
Bash Tips 6 – Embedding Files in a Single Bash ScriptTechniques for embedding files into a single bash script using base64 encoding and process substitution2026-02-27

2. About Backup Pages

Backup pages are archived copies of valuable technical content from external sources. They serve as a reference library in case the original website becomes unavailable or moves.

2.1. Why Backup Pages?

  • Preservation: Valuable content doesn’t disappear
  • Attribution: Original authors are properly credited
  • Access: Works even if original source goes down
  • Reference: Build a comprehensive knowledge base
  • Fair Use: Protected through proper archival practices

2.2. How It Works

Each backup page:

  1. Clearly indicates it’s a backup with a prominent notice
  2. 🔒 Blocks search engine indexing via robots: noindex meta tag
  3. 🔗 Links to the original source for proper attribution
  4. 👤 Credits the original author with a direct link when available
  5. 📅 Shows the original publication date and backup date

Backup pages use fair use for archival purposes:

  • Original author is credited with links
  • Search engines are blocked from indexing
  • Original source links are prominent
  • Content is preserved without modification
  • Purpose is archival, not competition

3. Search Engine Protection

All backup pages include:

<meta content="noindex, noarchive, nocache, nofollow, nosnippet, notranslate, noimageindex" name="robots"/>

This ensures:

  • 🛑 any Search engine won’t index the page
  • 🛑 Internet Archive won’t create snapshots
  • ✅ Respects original content creators’ rights
  • ✅ Maintains fair use for archival purposes

4. Backup Notice

Every backup page displays a prominent notice showing:

📦 This is a Backup Copy

This page is a backup archive of external reference material.
It is preserved to ensure continued access to valuable information
in case the original source becomes unavailable.

Original Source: [link to original]
Original Author: [author with link if available]
Original Date: [publication date]
Backed Up On: [backup date]

⚠️ Search engines are blocked from indexing this page
   to respect original content creators' rights.

5. FAQ

Q: Is this legal? A: Yes, when done properly with attribution and search engine blocking, archival falls under fair use.

Q: Will my backup appear in Google? A: No, the noindex meta tag prevents search engine indexing.

Q: Do I need to ask permission? A: Fair use principles and proper attribution usually cover this, but check the original license.

Q: Can I modify the content? A: Preserve original content as-is. Note modifications clearly if needed.

Q: What if the original disappears? A: That’s the purpose of backup pages—to preserve valuable information.

Q: How often should I update backups? A: Archive doesn’t change. Update only if original changes significantly and you want to mirror the update.


Bash Tips 6 – Embedding Files in a Single Bash Script

Techniques for embedding files into a single bash script using base64 encoding and process substitution