1.. SPDX-License-Identifier: GPL-2.0 2 3================== 4ISO9660 Filesystem 5================== 6 7Mount options that are the same as for msdos and vfat partitions. 8 9 ========= ======================================================== 10 gid=nnn All files in the partition will be in group nnn. 11 uid=nnn All files in the partition will be owned by user id nnn. 12 umask=nnn The permission mask (see umask(1)) for the partition. 13 ========= ======================================================== 14 15Mount options that are the same as vfat partitions. These are only useful 16when using discs encoded using Microsoft's Joliet extensions. 17 18 ============== ============================================================= 19 iocharset=name Character set to use for converting from Unicode to 20 ASCII. Joliet filenames are stored in Unicode format, but 21 Unix for the most part doesn't know how to deal with Unicode. 22 There is also an option of doing UTF-8 translations with the 23 utf8 option. 24 utf8 Encode Unicode names in UTF-8 format. Default is no. 25 ============== ============================================================= 26 27Mount options unique to the isofs filesystem. 28 29 ================= ============================================================ 30 block=512 Set the block size for the disk to 512 bytes 31 block=1024 Set the block size for the disk to 1024 bytes 32 block=2048 Set the block size for the disk to 2048 bytes 33 check=relaxed Matches filenames with different cases 34 check=strict Matches only filenames with the exact same case 35 cruft Try to handle badly formatted CDs. 36 map=off Do not map non-Rock Ridge filenames to lower case 37 map=normal Map non-Rock Ridge filenames to lower case 38 map=acorn As map=normal but also apply Acorn extensions if present 39 mode=xxx Sets the permissions on files to xxx unless Rock Ridge 40 extensions set the permissions otherwise 41 dmode=xxx Sets the permissions on directories to xxx unless Rock Ridge 42 extensions set the permissions otherwise 43 overriderockperm Set permissions on files and directories according to 44 'mode' and 'dmode' even though Rock Ridge extensions are 45 present. 46 nojoliet Ignore Joliet extensions if they are present. 47 norock Ignore Rock Ridge extensions if they are present. 48 hide Completely strip hidden files from the file system. 49 showassoc Show files marked with the 'associated' bit 50 unhide Deprecated; showing hidden files is now default; 51 If given, it is a synonym for 'showassoc' which will 52 recreate previous unhide behavior 53 session=x Select number of session on multisession CD 54 sbsector=xxx Session begins from sector xxx 55 ================= ============================================================ 56 57Recommended documents about ISO 9660 standard are located at: 58 59- http://www.y-adagio.com/ 60- ftp://ftp.ecma.ch/ecma-st/Ecma-119.pdf 61 62Quoting from the PDF "This 2nd Edition of Standard ECMA-119 is technically 63identical with ISO 9660.", so it is a valid and gratis substitute of the 64official ISO specification. 65