How to count lines, words, and characters with wc

Written by oskar

The `wc` command (word count) reports line, word, and character counts in files.

How to extract tar archives

Written by oskar

The `tar` command is commonly used to compress or extract archive files.

How to check disk usage with du

Written by oskar

The `du` command helps you estimate and summarize the disk space used by files and directories.

How to ssh with a jump / proxy host

Written by oskar

Sometimes you need access to a host not on the same network as you. Luckily, ssh has a built-in jump/proxy option.