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Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven.
A filesystem ACL is a data structure (usually a table) containing entries that specify individual user or group rights to specific system objects such as programs, processes, or files. These entries are known as access-control entries (ACEs) in the Microsoft Windows NT, [4] OpenVMS, and Unix-like operating systems such as Linux, macOS, and ...
NTFS file system permissions on a modern Windows system In NTFS, each file or folder is assigned a security descriptor that defines its owner and contains two access control lists (ACLs). The first ACL, called discretionary access control list (DACL), defines exactly what type of interactions (e.g. reading, writing, executing or deleting) are ...
In Unix and Unix-like systems, including POSIX-conforming systems, each file has a 'mode' containing 9 bit flags controlling read, write and execute permission for each of the file's owner, group and all other users (see File-system permissions §Traditional Unix permissions for more details) plus the setuid and setgid bit flags and a 'sticky' bit flag.
In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags (the setuid, setgid, and sticky flags) of file system objects (files and directories). Collectively these were originally called its modes, [1] and the name chmod was chosen as an abbreviation of change ...
Windows 1.0–3.11 and Windows 9x: all applications had privileges equivalent to the operating system; All versions of Windows NT up to, and including, Windows XP and Windows Server 2003: introduced multiple user-accounts, but in practice most users continued to function as an administrator for their normal operations. Further, some ...
2. Save the MCPR.exe file at a desired location (for example, on the Desktop). 3. Navigate to the destination where you’ve saved the MCPR.exe file, and then double-click the MCPR.exe icon to begin the installation. 4. Click Yes if you are prompted to give permission to the software to make changes to the computer. 5.
A second option, "Hide protected operating system files" additionally needs to be turned off in order for hidden system files to be shown. Hidden files are displayed with a slight transparency, so even when they are visible they are visually delineated from non-hidden files. Under Windows Explorer, the content of a directory can also be hidden ...