```V, ^Vgv ```

```:g/s1/s/s2/s3/g :[range] s/{old-pattern}/{new-pattern}/[flags][range]...

```Ctrl+uu^R```

```:n1,n2 co n3 :n1,n2 m n3 ```

```:n1,n2 d:0,$d:g!/^dd/d:v/^dd/d:g/str1/,/str2/d :v/./.,/./-1join:g/^$/...

```Mac. &@:@@ f ; ,N ```

```conda config --showconda config --show channelsonda config --show-sou...