I use it all the time! But also worth remembering that !$ is the object of your last command, so you could do something like cp /some/tortured/path/to/file.txt

I use it all the time! But also worth remembering that !$ is the object of your last command, so you could do something like cp /some/tortured/path/to/file.txt /some/other/path/file.txt chown myuser:myuser !$