PART I. 1. INTRODUCTION. Why Unix? Computer System. The UNIX Environment. UNIX Structure. Accessing UNIX. Commands. Common Commands. Other Useful Commands. Key Terms. Tips. Commands. Summary. Practice Set. Lab Sessions. 2. BASIC vi EDITOR. Editor Concepts. The vi Editor. Modes. Commands. Two Practice Sessions. Key Terms. Tips. Commands. Summary. Practice Set. Lab Sessions. 3. FILE SYSTEMS. Filenames. File Types. Regular Files. Directories. File System...