Intro to Unix commands. List of most important ones. Basic info everyone should know. Quiz.

Standard input, output, error. Stdin, stdout, stderr. File descriptors, fd. Pipes, redirection.

File descriptor, fd. Quiz.

Rapid-fire Unix and Linux tips. Basic usage everyone should know. Desktop, shell, terminal, copy-paste, key shortcuts. You’d be surprised.

Linux, text mode, virtual console, terminal, tty, ctrl+alt+f keys.

Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.