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In computing, privilege is defined as the delegation of authority to perform security-relevant functions on a computer system. [1] A privilege allows a user to perform an action with security consequences. Examples of various privileges include the ability to create a new user, install software, or change kernel functions.
sudo (/ s uː d uː / [4]) is a program for Unix-like computer operating systems that enables users to run programs with the security privileges of another user, by default the superuser. [5] It originally stood for "superuser do", [ 6 ] as that was all it did, and this remains its most common usage; [ 7 ] however, the official Sudo project ...
In computer security, jailbreaking is defined as the act of removing limitations that a vendor attempted to hard-code into its software or services. [2] A common example is the use of toolsets to break out of a chroot or jail in UNIX-like operating systems [ 3 ] or bypassing digital rights management (DRM).
The following are some examples of symbolic notation: -rwxr-xr-x : a regular file whose user class has full permissions and whose group and others classes have only the read and execute permissions. crw-rw-r-- : a character special file whose user and group classes have the read and write permissions and whose others class has only the read ...
For example, the Rust programming language implements a borrow checker to ensure memory safety, [12] while C and C++ provide no memory safety guarantees. The substantial amount of software written in C and C++ has motivated the development of external static analysis tools like Coverity , which offers static memory analysis for C. [ 13 ]
For example, if UAC detects that the application is a setup program, from clues such as the filename, versioning fields, or the presence of certain sequences of bytes within the executable, in the absence of a manifest it will assume that the application needs administrator privileges.
PERM (German: Programmierbare (Programmgesteuerte) Elektronische Rechenanlage München, lit. 'Munich Programmable (Program Controlled) Electronic Computing System') [ 1 ] is a stored-program-controlled electronic computer , built in Munich under the auspices of Hans Piloty and Robert Sauer 1952–1956. [ 2 ]
For example, 6711 has both the setuid and setgid bits (4 + 2 = 6) set, and also the file read/write/executable for the owner (7), and executable by the group (first 1) and others (second 1). Most implementations have a symbolic representation of these bits; in the previous example, this could be u=rwx,go=x,ug+s .