Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articlesavailable from Wikipedia or other free sources online. type is a Unixcommand that displays how a name would be interpreted if used as acommand. In computing, a shell builtin is a command or a functioncalled from a shell, that is executed directly in the shell itselfinstead of an external executable program which the shell would load andexecute. Shell builtins work significantly faster than externalprograms, because there is no program loading overhead. However, theircode is inherently present in the shell, and thus modifying or updatingthem requires modifications to the shell. Therefore shell builtins areusually used for simple, almost trivial, functions, such as text output.Because of the nature of operating systems, some functions of thesystems have to be implemented as shell builtins. The most notableexample is the cd command, which changes the working directory of theshell. Because each executable program runs in a separate process, andworking directories are specific to each process, loading cd as anexternal program would not affect the working directory of the shellthat loaded it. N� de r�f. du vendeur 9786132128096

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Type (Unix)

Lambert M. Surhone

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Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Please note that the content of this book primarily consists of articlesavailable from Wikipedia or other free sources online. type is a Unixcommand that displays how a name would be interpreted if used as acommand. In computing, a shell builtin is a command or a functioncalled from a shell, that is executed directly in the shell itselfinstead of an external executable program which the shell would load andexecute. Shell builtins work significantly faster than externalprograms, because there is no program loading overhead. However, theircode is inherently present in the shell, and thus modifying or updatingthem requires modifications to the shell. Therefore shell builtins areusually used for simple, almost trivial, functions, such as text output.Because of the nature of operating systems, some functions of thesystems have to be implemented as shell builtins. The most notableexample is the cd command, which changes the working directory of theshell. Because each executable program runs in a separate process, andworking directories are specific to each process, loading cd as anexternal program would not affect the working directory of the shellthat loaded it.VDM Verlag, Dudweiler Landstra�e 99, 66123 Saarbr�cken 100 pp. Englisch. N� de r�f. du vendeur 9786132128096

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