Chmod change read only file system

- Chmod unable to change file mode read only file system
- Chmod unable to change file mode on read only file system mac
- Chmod unable to change file mode on untitled read only file system
- Chmod unable to change file mode on install sh read only file system
- Chmod unable to change file mode on data read only file system
- Chmod unable to change file mode on info plist read only file system