I want to implement a userland command that will take one of its arguments (path) and change the directory to that dir. After the program completion I would like the shell to be in that directory. So I want to implement cd command, but with external program. Can it be done in a python script or I have to write bash wrapper? Example: tdi@bayes:/home/$>python cd.py tdi tdi@bayes:/home/tdi$> Continue reading...