Pipes — joining commands · ⁨צינורות — חיבור פקודות⁩

The big idea: pipes

• This is what makes the shell powerful. A pipe | sends one command's output straight into the next command:

• cat produces the lines; sort receives them and puts them in order. No file in between.

Build a chain

• You can join as many as you like, like an assembly line:

• sort orders the lines, then uniq removes neighbouring duplicates — so you get each fruit once.

Small tools, big results

• Each command does one job well. Pipes let you combine them to answer real questions:

• "How many different fruits are there?" — sort, dedupe, then count. That is the Unix way.

Common mistakes

• | sends one command's output into the next.
• Order matters: sort | uniq, not the other way round.