2 articles tagged "immutable bit"

FreeBSD: How to write protect important file ( even root can NOT modify / delete file )
The chflags utility modifies the file flags of the listed files as specified by the flags operand.
FreeBSD offers write protection, you need to to set special bit call immutable. Once this bit is setup no one can delete or modify file including root. And only root can clear the File immutable bit.
You must be a [...]
Linux Password trick with immutable bit using chattr command
With the help of utility called chattr, you can changes the file attributes on a Linux second extended file system. The operator + causes the selected attributes to be added to the existing attributes of the files; - causes them to be removed; and = causes them to be the only attributes that the files [...]

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