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Hands-On Data Science with the Command Line
book

Hands-On Data Science with the Command Line

by Jason Morris, Chris McCubbin, Raymond Page
January 2019
Beginner to intermediate content levelBeginner to intermediate
124 pages
2h 57m
English
Packt Publishing
Content preview from Hands-On Data Science with the Command Line

Essential commands

Woah... hold your horses, we need to cover some basics about commands. A command is a process run by a POSIX (Portable Operating System Interface) compliant OS (Operating System). OpenGroup maintains the standard in addition to it being ratified as an IEEE standard (http://pubs.opengroup.org/onlinepubs/9699919799/). In a POSIX environment, the process being run will have an environment, a current working directory, the command line (the path name that invoked the command and any arguments), and a series of file descriptors with stdin, stdout, and stderr (referred to by integer numbers 0, 1, and 2, respectively) being connected prior to handoff to your command.

Now with a little background and an installed command line, ...

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Publisher Resources

ISBN: 9781789132984Supplemental Content