Carapace

Shell written in Rust

Builtins

cd (pushd) - Change directory and push to directory stack
popd - Pop head directory from stack and set it as current directory
dirs - Display stack of directories
export - List or export new environment variables
unset - Unset environment variables
set - Set and unset shell options
hash - Check command existence or rehash
rehash - Rehash all executable programs in $PATH
history (hist, h) - List historical commands
exit - Exit with specific code or default 0
quit - Exit with code 0