01_bash.sh

# what is Bash?
# Bash is a widly used shell, available on many platforms
# Short for Bourne Again Shell, in reference to the earlier Bourne Shell
# An interactive command-line shell that also allows commands to be combined into script files, which can be run like programs
# Combine commands into scripts save time and reduces errors

# what is Bash Best For?
# Bash is best for writting small to medium size scripts that run on Linux systems
# If your workflow can be run as commands in Bash terminal, consider making a script
# If your workflow requires other more specialized tools, Bash may not be the best choice for automation

bash --version

# GNU bash, version 5.0.17(1)-release (x86_64-pc-linux-gnu)
# Copyright (C) 2019 Free Software Foundation, Inc.
# License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

# This is free software; you are free to change and redistribute it.
# There is NO WARRANTY, to the extent permitted by law.

echo $SHELL