echo "alias ll='ls -alG'" >> ~/.bash_profile
source ~/.bash_profile

echo "alias ll='ls -alG'" >> ~/.zshrc
source ~/.zshrc

$ cd /etc/ssl/
$ ll
total 264
drwxr-xr-x   6 root  wheel     192 Jul 15  2017 .
drwxr-xr-x  88 root  wheel    2816 Jun 20 19:00 ..
-rw-r--r--   1 root  wheel  227344 Jul 15  2017 cert.pem
drwxr-xr-x   2 root  wheel      64 Jul 15  2017 certs
-rw-r--r--   1 root  wheel     745 Jul 15  2017 openssl.cnf
-rw-r--r--   1 root  wheel    1006 Jul 15  2017 x509v3.cnf