Emacs: Run Shell in Emacs

Start Shell in Emacs

Alt+x shell.

Shell on Microsoft Windows

• Emacs: Microsoft Windows: Run PowerShell

Start a Second Shell in Emacs

Ctrl+u Alt+x shell

〔see Emacs: Universal Argument (prefix arg)〕

Call Previous Shell Command

When in shell, to run the previous shell command, press Ctrl+↑.

Call a shell command once

Alt+x shell-command 【Alt+!】 to run a single shell command.

Send text selection to a shell command

Select a region, then Alt+x shell-command-on-region 【Alt+|】.

For example, select a region, then type Alt+| wc -l Enter. This will print line count of region.

to have output replace region, press Ctrl+u first.

〔see Emacs: Universal Argument (prefix arg)〕