Power Tools
Redirects & Append
Send output to files instead of the screen.
> overwrites a file with stdout: echo "todo" > tasks.txt.
>> appends without wiping existing content.
2> redirects errors. &> catches both stdout and stderr (bash/zsh).
$ Commands to try
$ echo "hello" > out.txt
$ echo "more" >> out.txt
$ ls /nope 2> errors.txt
$ command &> all.log
Practice exercise
Write your name to out.txt, append a second line, then cat the result.