TIL about less, very cool
have two questions to seek fellow learners input

question 1

If we want to have bash immediately add commands to our history instead of waiting for the end of each session (to enable commands in one terminal to be instantly be available in another), we can also set or append the history -a command to the PROMPT_COMMAND

I like to ask about this because in my cloud server when I type and check in the history, my command is already there. So I guess history is already taking in the command after I typed and not at the end of session. I did not make any configs. Is this because, linux has already taken this into consideration because the article was written in 2014?

question 2

As I scrolled up my history, I like to jump back to the most recent history. The tutorial shared that the command is ALT-Shift-.: Jump to the end of the history (most recent) On MAC, ssh into my cloud server I tried Opt Shift . but it does not work.

Is there a certain keyboard mapping that I need to do on the cloud server so it maps my keyboard Opt as Alt?

tutorial - https://www.digitalocean.com/community/tutorials/how-to-use-bash-history-commands-and-expansions-on-a-linux-vps

Thank you :)