PYTHON

python os module

import os

Executing a shell command
os.system()    

Get the users environment 
os.environ()   

#Returns the current working directory.
os.getcwd()   

Return the real group id of the current process.
os.getgid()       

Return the current process’s user id.
os.getuid()    

Returns the real process ID of the current process.
os.getpid()     

Set the current numeric umask and return the previous umask.
os.umask(mask)   

Return information identifying the current operating system.
os.uname()     

Change the root directory of the current process to path.
os.chroot(path)   

Return a list of the entries in the directory given by path.
os.listdir(path) 

Create a directory named path with numeric mode mode.
os.mkdir(path)    

Recursive directory creation function.
os.makedirs(path)  

Remove (delete) the file path.
os.remove(path)    

Remove directories recursively.
os.removedirs(path) 

Rename the file or directory src to dst.
os.rename(src, dst)  

Remove (delete) the directory path.
os.rmdir(path)

Python OS Module

import os
my_computer = os.startfile("C:") # here c drive open this variable
print(my_computer)

python os module

#the os module provides an operating system interface from Python
import os
#prints the name of the operating system
print(os.name)
#prints the absolute path for the module
print(os.getcwd())

python os

# Import the built-in os module
import os
# os.system() function
os.system('echo Hello world!')

os module

>>> import os
>>> os.getcwd()      # Return the current working directory
'C:Python39'
>>> os.chdir('/server/accesslogs')   # Change current working directory
>>> os.system('mkdir today')   # Run the command mkdir in the system shell
0

os module in python

# Delete everything reachable from the directory named in "top",
# assuming there are no symbolic links.
# CAUTION:  This is dangerous!  For example, if top == '/', it
# could delete all your disk files.
import os
for root, dirs, files in os.walk(top, topdown=False):
    for name in files:
        os.remove(os.path.join(root, name))
    for name in dirs:
        os.rmdir(os.path.join(root, name))

python os module

import os.path, time

file = pathlib.Path('abc.py')
print("Last modification time: %s" % time.ctime(os.path.getmtime(file)))
print("Last metadata change time or path creation time: %s" % time.ctime(os.path.getctime(file)))

import os python

import os
os.listdir("*")[0]