Computer software, or just software, is a collection of computer programs and related data that provide the instructions for telling a computer what to do and how to do it....
A Unix-like operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification....
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...
Unix-like operating systems identify users within the kernel by an unsigned integer value called a user identifier, often abbreviated to UID or User ID...
In Unix-like systems, multiple users can be categorized into groups. POSIX and conventional Unix file system permissions are organized into three classes, user, group, and others. The use of groups allows additional abilities to be delegated in an organized fashion, such as access to disks,...
of the account by which the program is executed; an example of the command id as executed by user alice:
alice@darkstar:~$ id
uid=1016(alice) gid=100(users) groups=100(users)
On many computer operating systems, the superuser is a special user account used for system administration. Depending on the operating system, the actual name of this account might be: root, administrator or supervisor....
account has a UID of 0:
root@darkstar:~# id
uid=0(root) gid=0(root) groups=0(root)
The whoami utility has been obsoleted by the id utility and displays a user's ID as a name:
alice@darkstar:~$ whoami
alice
alice@darkstar:~$ id -un # Where `-u` refers to `--user` and `-n` refers to `--name`
alice
Unix-like operating systems identify users within the kernel by an unsigned integer value called a user identifier, often abbreviated to UID or User ID...
In Unix-like systems, multiple users can be categorized into groups. POSIX and conventional Unix file system permissions are organized into three classes, user, group, and others. The use of groups allows additional abilities to be delegated in an organized fashion, such as access to disks,...
The standard Unix command who displays a list of users who are currently logged into a computer.The who command is related to the command w, which provides the same information but also displays additional data and statistics.- Specification :...
uname is a software program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it...
The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.
