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# Sh9 - a somewhat better shell for Inferno OS
How is it different from out-of-the box shell ?
* Supports left/right, home/end keys for line editing
* Supports up/down keys for history navigation
* Has current working directory and username in its prompt instead of just ";"
Hopefully will get more tiny conveniences of modern-ish shells
## Build and install
Run this to build dis files and install module files:
```
mk clean; mk; mk install
```
## Current progress
* variable substitution: yes
* command calling: yes
* command output substitution: no
* scripts: no
* if/elif/else conditional execution: no
* for loop: no
* while loop: no
* functions/procedures: no
* keyboard interrupt handling: no
* arrays: no
* tab completion: no
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