![]() ![]() #Ntfs 3g mount manualBy specifying a umask of 222, it makes files non-writable by anybody, when otherwise they might have been writable. The NTFS-3G manual gives a list of mount options suitable for NTFS filesystems. ![]() Setting this bit in umask clears the W bit in the file access permissions. Become a Red Hat partner and get support in building customer solutions. Read developer tutorials and download Red Hat software for cloud application development. This means the W bit is set for the user, the group, and everybody else. Red Hat Customer Portal - Access to 24x7 support and knowledge. So a umask of 222 or 0222, which are the same since the number is traditionally octal, is 010010010 in binary. The leading 0 can indicate either octal, or 0 for some of the special case bits since it is traditionally represented in octal anyway, depending on the context. Because these permissions come three bits at a time, they are traditionally in octal. The high order RWX is for the owner of the file being accessed, the next RWX group gives access for the group of the file, and the last is for everybody. These permission bits are RWXRWXRWX, where R is read access, W is write access, and X is execute access, with some higher bits used in special cases. Regarding the umask option, it specifies a bit mask such that the bits set in the umask are cleared in the file access permissions. I do not know the difference between ntfs and ntfs-3g. ![]()
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