MD (same as MKDIR) is a command used to create a new folder or directory in a Windows environment.
In computing, pushd and popd are commands used to work with the command line directory stack. They are available on command line interpreters for DOS, Microsoft Windows and Unix-like operating systems, such as 4DOS, Bash, Command Prompt and Windows Powershell.
The pushd command saves the current working directory in memory so it can be returned to at any time, optionally changing to a new directory. The popd command returns to the path at the top of …