Text Manipulation and Stream Processing

Perform basic editing operations in vim: open, insert, save, quit, and search

View and navigate file contents using cat, less, head, and tail

Chain multiple commands using pipes (|) and redirect output using >, >>, and 2>

Search for patterns within files and command output using grep with basic regular expressions

Perform find-and-replace operations on streams and in files using sed

Sort and deduplicate lines of text using sort and uniq