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Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.) dircolors: Set up color for ls: install: Copies files and set attributes ln: Creates a link to a ...
In AmigaOS, a lock on a file (or directory) can be acquired using the Lock function (in the dos.library). A lock can be shared (other processes can read the file/directory, but can't modify or delete it), or exclusive so that only the process which successfully acquires the lock can access or modify the object.
In DOS systems, file directory entries include a Hidden file attribute which is manipulated using the attrib command. Using the command line command dir /ah displays the files with the Hidden attribute. In addition, there is a System file attribute that can be set on a file, which also causes the file to be hidden in directory listings.
The read permission grants the ability to read a file. When set for a directory, this permission grants the ability to read the names of files in the directory, but not to find out any further information about them such as contents, file type, size, ownership, permissions. The write permission grants the ability to modify a file. When set for ...
The most common special file is the directory. The layout of a directory file is defined by the filesystem used. As several filesystems are available under Unix, both native and non-native, there is no one directory file layout. A directory is marked with a d as the first letter in the mode field in the output of ls -dl [5] or stat, e.g.
Linux Mint 2.0 'Barbara' was the first version to use Ubuntu as its codebase and its GNOME interface. It had few users until the release of Linux Mint 3.0, 'Cassandra'. [14] [15] Linux Mint 2.0 was based on Ubuntu 6.10, [citation needed] using Ubuntu's package repositories and using it as a codebase. It then followed its own codebase, building ...
In the case of file systems, mapping between files and the security contexts is called labeling. The labeling is defined in policy files but can also be manually adjusted without changing the policies. Hardware types are quite detailed, for instance, bin_t (all files in the folder /bin) or postgresql_port_t (PostgreSQL port, 5432). The SELinux ...
The NX bit (no-execute) is a technology used in CPUs to segregate areas of a virtual address space to store either data or processor instructions. An operating system with support for the NX bit may mark certain areas of an address space as non-executable.