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CONFIG_SQUASHFS: SquashFS 4.0 - Squashed file system support

General informations

The Linux kernel configuration item CONFIG_SQUASHFS:

Help text

Saying Y here includes support for SquashFS 4.0 (a Compressed Read-Only File System). Squashfs is a highly compressed read-only filesystem for Linux. It uses zlib, lzo or xz compression to compress both files, inodes and directories. Inodes in the system are very small and all blocks are packed to minimise data overhead. Block sizes greater than 4K are supported up to a maximum of 1 Mbytes (default block size 128K). SquashFS 4.0 supports 64 bit filesystems and files (larger than 4GB), full uid/gid information, hard links and timestamps.

Squashfs is intended for general read-only filesystem use, for archival use (i.e. in cases where a .tar.gz file may be used), and in embedded systems where low overhead is needed. Further information and tools are available from http://squashfs.sourceforge.net.

If you want to compile this as a module ( = code which can be inserted in and removed from the running kernel whenever you want), say M here. The module will be called squashfs. Note that the root file system (the one containing the directory /) cannot be compiled as a module.

If unsure, say N.

Hardware

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