Zsh

# Read function definition
whence -f ..

# See where the it was defined
whence -v

# Bind comand to alt key
# alt+i will run 'a' command.
# \e means opt key
bindkey -s '\ei' '^Ua^M'

# See what is binded to a key
# See what is binding to ⌃ + E
bindkey '^E'

# Run zsh without sourcing zshrc
zsh -f

# Set alias to external command
alias fin='command fd'

# List all bindings
bindkey