CRI File System Tools is a utility package used to create and manage
, which are specialized archive formats used by the CRI File System library, commonly found in video games (such as Pro Evolution Soccer JoJo's Bizarre Adventure Included Tool Components
The package typically includes several versions of the CPK creation tool to suit different workflows: CPK File Builder
: An advanced Windows GUI tool for organizing directories, setting compression, and optimizing file placement. CRI Packed File Maker
: A simplified "drag-and-drop" Windows GUI for quickly creating CPK archives from folders. Console Version cri file system tools install
: A command-line interface (CLI) program used for batch processing or automation, often controlled via CSV file definitions. MakeCpk for Excel
: An specialized tool that allows users to generate CPK files directly from within a Microsoft Excel worksheet list. System Requirements Operating System : Designed for Windows 7, 8.1, 10, and 11. : Requires .NET Framework 4.0 or higher to run. Architecture
: While these are 32-bit applications, they are compatible with 64-bit Windows environments. General Installation and Usage Steps
: Obtain the tools from specialized modding communities or sites like Extraction CRI File System Tools is a utility package
: Extract the downloaded archive (usually a .zip or .rar) to a local folder on your PC. No formal "installer" wizard is typically required; the executables run directly from their folder. Dependency Check : Ensure you have the Microsoft .NET Framework installed. Packing Files
: To create a CPK, organize your modded files into a "tree" of folders (e.g., data > sound > PC ) and drag the root folder into CRI Packed File Maker Unpacking Files
: To extract existing game data, open the tool, select an existing file, and choose the "Unpack" or "Extract" option. Are you planning to use these tools for game modding or for a different development
Since "CRI" (Container Runtime Interface) usually refers to the runtime layer, "file system tools" in this context almost always refers to container storage management—most notably Nydus, OverlayFS utilities, or CRIU (Checkpoint/Restore). Test CRIU Filesystem Interaction Create a test process
Below is a structured post covering the most common use case: Installing the Nydus Snapshotter and Tools (the high-performance container image filesystem solution often used with CRI).
Create a test process holding open a file:
echo "test data" > /tmp/testfile
tail -f /tmp/testfile &
PID=$!
sudo criu dump -t $PID --shell-job --ext-files -D /tmp/criu_dump
sudo criu restore -D /tmp/criu_dump --shell-job
If the restore succeeds, the filesystem interactions were preserved.
Some distros or vendors provide tools or integrations. Use these when available for stability and updates.
sudo apt install -y containerd
sudo apt install -y cri-tools # includes crictl
sudo ctr images pull docker.io/library/alpine:latest
sudo ctr content ls
sudo ctr snapshot ls
sudo ctr images export alpine.tar docker.io/library/alpine:latest
crictl ps
crictl inspect <container-id>
sudo apt install -y fuse-overlayfs
ctr (usually bundled, but ensure it’s in $PATH).crio-tools package.mount, umount, nsenter – usually part of util-linux).