one fable-low hijack cell
pair Bash / strike
envelope code_caret
ordering BA
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked strike (second-offered)
· classifierB
· tiernone
response (200 chars)
It looks like you're asking about the `^` (caret) in Bash. Here are its main uses:
## 1. Quick history substitution: `^old^new`
Replaces text in your **last command** and re-runs it:
```bash
$ echo h
neighbors