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Encyclopedia > Exit (command)

Exit is a command used in many operating system's command line shells. Typing the command usually logs the user out or closes their console or prompt. In computing, an operating system (OS) is the system software responsible for the direct control and management of hardware and basic system operations. ... A command line interface or CLI is a method of interacting with a computer by giving it lines of textual commands (that is, a sequence of characters) either from keyboard input or from a script. ... The shell of an operating system is a program that presents an interface to various operating system functions and services. ...


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Exit and Exit Status (402 words)
A successful command returns a 0, while an unsuccessful one returns a non-zero value that usually may be interpreted as an error code.
The last command executed in the function or script determines the exit status.
from the command line gives the exit status of the script, that is, the last command executed in the script, which is, by convention,
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