zsh

Expressions

Expression	Example	Description
!!	sudo !!	Last command (sudo !!)
---	---	---
!*	vim !*	Last command's parameters (vim !*)
!^		Last command's first parameter
!$		Last command's last parameter
---	---	---
!?ls <tab>	sudo !?mv <tab>	Command and params of last ls command
!?ls?:* <tab>		Params of last ls command
---	---	---
*(m0)	rm *(m0)	Last modified today
*(m-4)		Last modified <4 days ago
{: .-headers}

Change default shell

chsh -s `which zsh`

Process Substitution

Expression	Example	Description
<(COMMAND)	grep "needle" <(curl "https://haystack.io")	Replace argument with named pipe/FIFO (read-only) with command output
=(COMMAND)	vim =(curl "https://haystack.io")	Replace argument with file (writable) containing command output
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Also see

• Bash cheatsheet

Zsh is mostly compatible with Bash, so most everything in Bash's cheatsheet also applies.