os is a core Python module that allows exposure of OS-specific tasks.

Contains...[]

os.error - an alias for the OSError exception
os.name - the registered name of the OS. For example: 'posix', 'nt','win32', 'win64'.
os.environ - the environment that Python interpreter currently sees. This object is like a dict. Setting will call 'putenv'
os.chdir(path), os.fchdir(fd), os.getcwd() - current directory functions. chdir CHanges DIRectory, getcwd GETs Current Working Directory and fchdir changes to the direct that the file that is specified by the fd is in
or.urandom(n) - Generates a random string of bytes, n digits long. Unlike random.randint, it is completely random; not pseudorandom.
os.system(command) - Executes a CMD or Bash command, depending on your System.

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modules/Os