FND.03.01 BeginnerCore — asked often

What a shell is and first commands

This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.

What it covers

terminal vs shell (bash, zsh, PowerShell)
prompt
pwd, ls, cd, mkdir, touch, cp, mv, rm (and why rm -rf is dangerous)
absolute vs relative paths
~, ., ..
tab completion and history

Words you will know

terminalshellpathworking directorycommandargumentflag

What you will practise

build a folder tree from instructions
navigation drill (timed)

Interview questions this answers

What is the difference between an absolute and a relative path?
What does a pipe do in the shell? Give an example.