# exploring Bash configuration files

cd ${HOME}
ls
ls -l
ls -la
cat .bash_profile
cat .bashrc
cat .profile


# exploring Nano configuration files

cat /etc/nanorc
cd ./config
ls -l
cd nano
ls -l
nano nanorc
nano default.nanorc


# playing with Bash arrays
# 1) indexed arrays

names[1]='Adam'
names[0]=Eve
echo ${names[@]}
names+=(Cain 'Abel')
echo "${names[@]}"
echo "${#names[@]}"

# 2) associative arrays

declare -A array_name
id=([Eve]='1234' [Adam]='5678')
echo ${id[Eve]}
echo "${id[Adam]}"