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== login and non-login shell ==The .bash_profile is executed for login shells, while .bashrc is executed for interactive non-login shells.When you login (type username and password) via console, either sitting at the machine, or remotely via ssh: .bash_profile is executed prior to the initial command prompt.When you are logged into your machine already and open xterm in your desktop environment then .bashrc is executed prior to seeing a prompt. The .bashrc is also run when you start a new bash instance by typing /bin/bash in a terminal.