Questions[history](server)

It often happens to me, that I just used a command and I need to copy/paste it either to a different terminal window/IM or whatever.

On a Mac, I can use the pbcopy command to get something in clipboard, but I'm not sure how should I get to the command. What I've came up is

history | tail -n 1 | perl -ple 's/\d+\s+//' | pbcopy

which works, but it doesn't really seem like clean solution. Is there a better way to get to the last command? I'm using zsh, but I guess if there's a solution for bash it will work in zsh too.

I tried export HISTTIMEFORMAT='%D %T' but it seems the time stamp of commands executed before I set HISTTIMEFORMAT will be the time I logged in current session. Is this normal? Is there any way to check when did the previous command executed? Thanks.

Is there a way to record the Linux commands I use and reuse them on another machine or in case I want to reinstall the machine?

In example record how I set up NginX, PHP and permissions in my lab environment and then repeat the exact commands on my deploy machine?

I use bash and I would like to avoid some commands being kept in the history.

• Is it possible to do that for the next command only?
• Is it possible to do that for the entire session?

Most obscure/upvoted answer will get the answer vote!

Most Unix and Unix-like systems have a "traditional history" that is passed down with each generation, so that newcomers can see and understand some of the more esoteric portions of the system. What can the long-time Windows admins out there contribute as to the "Legendry" of Windows, as far as esoteric knowledge that new admins should be exposed to?