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Advanced Topics

By now, you should have a strong base for which to build your GNU/Linux skills on. In this chapter we cover some very useful information regarding some advanced GNU/Linux features.

Subsections

• Regular Expressions
• Advanced Files
  • The Real Nature of Files: Hard Links and Inodes
  • Types of Files
    • Symbolic Links
    • Device Files
      • /dev/null
    • Named Pipes (FIFOs)
    • Sockets
  • The proc Filesystem
  • Large-Scale Copying
• Security
• Software Development with Debian