Introduction to Unix

3. Advanced Unix Commands

The commands in Linux for Programmers and Users, Chapter 4, go beyond working with files and directories. They cover a variety of topics such as report generation, data processing, archiving data, scheduling commands and a few more advanced commands related to file systems.

Contents

• 3.1. Use a Pipe For That
• 3.2. Regular Expressions
• 3.3. Filtering Data
  • 3.3.1. Filtering Horizontally
  • 3.3.2. Filtering Vertically
  • 3.3.3. Inline Filtering
  • 3.3.4. awk
• 3.4. Comparing Files
  • 3.4.1. cmp
  • 3.4.2. diff
  • 3.4.3. ed
  • 3.4.4. Patching Files with diff and ed
  • 3.4.5. sum
  • 3.4.6. comm
• 3.5. Finding Files
  • 3.5.1. find
  • 3.5.2. xargs
• 3.6. Archiving Data
  • 3.6.1. cpio
  • 3.6.2. tar
  • 3.6.3. dump
  • 3.6.4. restore
  • 3.6.5. gzip
  • 3.6.6. dd
  • 3.6.7. mt
• 3.7. Scheduling Commands
  • 3.7.1. crontab
  • 3.7.2. at
• 3.8. Reference Files with Links
  • 3.8.1. ln
  • 3.8.2. Background - Inodes
  • 3.8.3. Hard Links
  • 3.8.4. Symbolic Links
• 3.9. Miscellaneous Other Commands
  • 3.9.1. whoami
  • 3.9.2. su
  • 3.9.3. ul
  • 3.9.4. col
  • 3.9.5. od
  • 3.9.6. mount
  • 3.9.7. time