Command ex is the non-visual form of vi (specified by POSIX). Any command used in vi in command mode (command following :) can be kept in a file for scripting against the text.

vi vim ex text-editing scripting automation command-line batch-processing editor unix tips

Use case - You have some changes, and you do not want to commit to upstream/origin, but you want to share the changes to your friend/colleague, so that they can work on top of your changes, then you can follow...

git version-control diff stash workflow development-tools command-line productivity source-control tips

In this post, I will go through how to setup OpenSSH, secure your keys, set up SSH Tunnel, socks proxy, use jump hosts and batch mode is ssh.

ssh security remote-access configuration key-management networking system-administration authentication linux unix tips