Examine the /root/.bash_profile file shown next. Using the information presented in this...

Examine the /root/.bash_profile file shown next. Using the information presented in this chapter, describe what each line of this file does.

# .bash_profile

# Get the aliases and functions

if [ -f ~/.bashrc ]; then

. ~/.bashrc

fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin

BASH_ENV=$HOME/.bashrc

USERNAME="root"

export USERNAME BASH_ENV PATH