1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunconfig ISO9660_FS 3*4882a593Smuzhiyun tristate "ISO 9660 CDROM file system support" 4*4882a593Smuzhiyun help 5*4882a593Smuzhiyun This is the standard file system used on CD-ROMs. It was previously 6*4882a593Smuzhiyun known as "High Sierra File System" and is called "hsfs" on other 7*4882a593Smuzhiyun Unix systems. The so-called Rock-Ridge extensions which allow for 8*4882a593Smuzhiyun long Unix filenames and symbolic links are also supported by this 9*4882a593Smuzhiyun driver. If you have a CD-ROM drive and want to do more with it than 10*4882a593Smuzhiyun just listen to audio CDs and watch its LEDs, say Y (and read 11*4882a593Smuzhiyun <file:Documentation/filesystems/isofs.rst> and the CD-ROM-HOWTO, 12*4882a593Smuzhiyun available from <http://www.tldp.org/docs.html#howto>), thereby 13*4882a593Smuzhiyun enlarging your kernel by about 27 KB; otherwise say N. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun To compile this file system support as a module, choose M here: the 16*4882a593Smuzhiyun module will be called isofs. 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunconfig JOLIET 19*4882a593Smuzhiyun bool "Microsoft Joliet CDROM extensions" 20*4882a593Smuzhiyun depends on ISO9660_FS 21*4882a593Smuzhiyun select NLS 22*4882a593Smuzhiyun help 23*4882a593Smuzhiyun Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system 24*4882a593Smuzhiyun which allows for long filenames in unicode format (unicode is the 25*4882a593Smuzhiyun new 16 bit character code, successor to ASCII, which encodes the 26*4882a593Smuzhiyun characters of almost all languages of the world; see 27*4882a593Smuzhiyun <http://www.unicode.org/> for more information). Say Y here if you 28*4882a593Smuzhiyun want to be able to read Joliet CD-ROMs under Linux. 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunconfig ZISOFS 31*4882a593Smuzhiyun bool "Transparent decompression extension" 32*4882a593Smuzhiyun depends on ISO9660_FS 33*4882a593Smuzhiyun select ZLIB_INFLATE 34*4882a593Smuzhiyun help 35*4882a593Smuzhiyun This is a Linux-specific extension to RockRidge which lets you store 36*4882a593Smuzhiyun data in compressed form on a CD-ROM and have it transparently 37*4882a593Smuzhiyun decompressed when the CD-ROM is accessed. See 38*4882a593Smuzhiyun <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools 39*4882a593Smuzhiyun necessary to create such a filesystem. Say Y here if you want to be 40*4882a593Smuzhiyun able to read such compressed CD-ROMs. 41