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Type. Command. License. coreutils: GPLv3. Plan 9: MIT License. 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 ).
The file is a text file of between 68 and 128 bytes [6] that is a legitimate .com executable file (plain x86 machine code) that can be run by MS-DOS, some work-alikes, and its successors OS/2 and Windows (except for 64-bit due to 16-bit limitations). The EICAR test file will print "EICAR-STANDARD-ANTIVIRUS-TEST-FILE!" when executed and then ...
The Single UNIX Specification (SUS) specifies that a series of tests are performed on the file specified on the command line: . if the file cannot be read, or its Unix file type is undetermined, the file program will indicate that the file was processed but its type was undetermined.
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mv (Unix) mv is a Unix command that moves one or more files or directories from one place to another. If both filenames are on the same filesystem, this results in a simple file rename; otherwise the file content is copied to the new location and the old file is removed. Using mv requires the user to have write permission for the directories ...
Command Prompt, also known as cmd.exe or cmd, is the default command-line interpreter for the OS/2, [ 1] eComStation, ArcaOS, Microsoft Windows ( Windows NT family and Windows CE family ), and ReactOS [ 2] operating systems. On Windows CE .NET 4.2, [ 3] Windows CE 5.0 [ 4] and Windows Embedded CE 6.0 [ 5] it is referred to as the Command ...
Unix filesystem. In Unix and operating systems inspired by it, the file system is considered a central component of the operating system. [ 1] It was also one of the first parts of the system to be designed and implemented by Ken Thompson in the first experimental version of Unix, dated 1969. [ 2]
Command (computing) In computing, a command is a directive to a computer program to perform a specific task. It may be issued via a command-line interface or as input to a network service as part of a network protocol, or as an event triggered in a graphical user interface . Specifically, the term command is used in imperative programming ...