4 articles
Master the auxiliary tools for data manipulation. Learn to slice columns with cut, translate characters with tr, and perform frequency analysis with sort and uniq. Discover how to count lines, words, and bytes with wc.
Stop Googling everything. Learn to use the built-in documentation systems of Linux. Master the art of reading 'man pages', searching for commands with 'apropos', and getting quick syntax help with '--help'.
Master the tools for inspecting files without leaving the terminal. Learn why 'less' is more than 'more', how to peek at the start or end of massive logs, and the indispensable power of real-time monitoring with 'tail -f'.
Master the fundamental actions of file management. Learn to copy, move, and delete files with safety and precision. Understand recursive operations, forced deletions, and how to stay safe from the 'rm -rf /' disaster.