introduces the vi editor and its navigation and editing power, covering inserting text, deleting lines, commenting, and other basic vi commands for editing files on Linux or Unix.

Learn the vi editor, the default editor in Unix, and explore its two modes: command mode and insert mode, with basic editing commands.

Learn to open and edit files in vi, switch to insert mode, save changes with :wq, and navigate between multiple files within a session.

Navigate a file in the vi editor using keyboard commands to jump to the start or end of a file, and to the start or end of a line. Practice with terminal examples like system.log to master navigation and searches.

Learn core vi editor editing techniques, including entering insert mode, inserting and moving text, yanking lines to copy, deleting lines, undoing and redoing changes, and saving files.

Learn to save and quit in vi editor using :w, :q, and :wq. Quit all with :qa and force quit with :q!, including read-only file handling.

Learn to search patterns in the vi editor, set and use pattern records, and navigate between matches. Understand case-insensitive searches and prepare for pattern substitution.

Discover how to substitute a pattern across files in vi editor, avoiding manual edits, using the colon substitute command, with options for confirmation and case-insensitive substitutions.

Discover how to run shell commands from within the vi editor and manage files and directories while editing.

Discover useful vi editor options to display line numbers, toggle numbering, enable syntax highlighting, and manage wrap and file types. Master search and substitution patterns to navigate and edit efficiently.

Learn to use the vi editor for file comparison, including comparing two or more files side by side, highlighting differences in red and missing lines in blue.

Open and navigate files in the vi editor, edit multiple documents, and create new files. Explore useful editor options and understand the basics covered in this course.