Bash Basics
env # displays all environment variables echo $SHELL # displays the shell you're using echo $BASH_VERSION # displays bash version bash # if you want to use bash (type exit to go back to your previously opened shell) whereis bash # locates the binary, source and manual-page for a command which bash # finds out which program is executed as 'bash' (default: /bin/bash, can change across environments) clear # clears content on window (hide displayed lines)