visual studio code editor is showing history in split tab code example
Example 1: VS Code not showing subfolders when there is only one
File > Preference > Settings and disable "explorer.compactFolders".
//type "explorer.compactFolders" in search box
Example 2: vs code switch file
Ctrl + Page Up
Ctrl + Page Down
Alt + 1
Alt + 2
Alt + 3
...
Ctrl + Tab