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Can you delete a file without write permission?
To delete a file requires both write (to modify the directory itself) and execute (to stat() the file’s inode) on a directory. Note a user needs no permissions on a file nor be the file’s owner to delete it!
What will happen if we try to remove a read-only file?
If user tries to remove (rm) a readonly file (444 permission), what will happen? Explanation: None. A user does a chmod operation on a file.
Which NTFS permission will allow a user to delete files?
Full control
Full control: Allows users to read, write, change, and delete files and subfolders. In addition, users can change permissions settings for all files and subdirectories. Modify: Allows users to read and write of files and subfolders; also allows deletion of the folder.
What are the permissions needed to delete a file in Unix?
A good documentation can be found on this link, which mentions the below in the section Special Considerations on Directories: To delete a file requires both write (to modify the directory itself) and execute (to stat () the file’s inode) on a directory. Note a user needs no permissions on a file nor be the file’s owner to delete it!
Can a user change the permission of a file?
File access permission can be changed by administrators. Without proper permission, users can’t perform certain operations and gets error messages mentions above. Therefore we can change access permission and take ownership of system files to get rid of this problem.
What do you need to know about file permission?
File permission is set to restrict unauthenticated objects from taking full control of files, helping Windows detect whether the user or object can gain special file access and write permission. File access permission can be changed by administrators.
Why do I need administrator permission to delete a file?
Some actions require users provide administrator permission to copy / delete /rename files or change settings. Such permission prevents unauthorized users such as guest users, and external sources like scripts from accessing system data. When virus attacks computer, it attempts to again administrator access to operating system