---
name: "ciso"
section: "1"
platform: "linux"
package: "ciso"
version: "1.0.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/ciso"
---

# ciso(1)

PSP ISO compression tool

## NAME

ciso - PSP ISO compression tool

## SYNOPSIS

**ciso** *level infile outfile*

## DESCRIPTION

- level:

  - 1-9 compress ISO to CSO (1=fast/large - 9=small/slow)

  - 0

  decompress CSO to ISO