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
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