As a small extra hint if you ever need to work outside Acme, any delete of selected text is effectively a cut. You can paste it back in. I used to use that like undo all the time.
On Wed, May 9, 2018, at 7:32 AM, 刘宇宝 wrote: > Hi all, > > Recently I started an adventure to 9front and found Plan 9 very > interesting. I have thoroughly read the FQA and manual pages at > 9front.org, and searched the web, but still don't know how to undo wrong > typing in Rio shell window and Acme editor's tag line, I'm surprised > and not so used to the facts that: > > * I can edit the output of a command in shell window, no way to undo > > * I can change or delete the tags for Acme editor and its column, no way > to undo, although the tags for Acme window can't be edited. > > I miss much the *universal* shortcut Ctrl-z on Window and Command-z on > macOS, does Rio and Acme have the equivalent? > > > And one more question about Acme: how to quickly enter command? In VIM, > I can enter <ESC>...comand<Enter>, in Acme I have to move cursor to > command area and click, input command, press <ESC>, click middle mouse > button on the highlighted command, is this the fastest way to input > command in Acme? > > > Thanks, > > Yubao Liu > > -- The lyf so short, the craft so long to lerne. -- Chaucer
