SharePoint 2013 URLs

We can access SharePoint pages using their shortcuts URLs

Add Web Parts Pane -  ?ToolPaneView=2
Add web parts to any page -  ?PageView=Shared&ToolPaneView=2
Create Alerts on this Site -  _layouts/15/SubChoos.aspx
Create New new list, library etc - _layouts/15/create.aspx
Create New Site -  _layouts/15/NewsbWeb.aspx
Create New Web Part Page -  _layouts/15/spcf.aspx
Edit Alerts - _layouts/15/SubEdit.aspx
List Template Gallery -  _catalogs/lt/Forms/AllItems.aspx
Login as another user - /_layouts/closeConnection.aspx?loginasanotheruser=true
Manage People -  _layouts/15/people.aspx
Manage Permissions - _layouts/15/user.aspx
Manage SiteCollection Administrators -  _layouts/15/mngsiteadmin.aspx
Manage Sites and Workspaces - _layouts/15/mngsubwebs.aspx
Master Page Gallery -  _catalogs/masterpage/Forms/AllItems.aspx
Modify Navigation -  _layouts/15/AreaNavigationSettings.aspx
Navigation Settings -  _layouts/15/SiteNavigationSettings.aspx
Recycle Bin - _layouts/15/AdminRecycleBin.aspx
Save Site as Template -  _layouts/15/savetmpl.aspx
Site Column Gallery - _layouts/15/mngfield.aspx
Site Content and Structure Manager - _layouts/15/sitemanager.aspx
Site Content Types - _layouts/15/mngctype.aspx
Site Directory - _layouts/15/SiteDirectorySettings.aspx
Site Settings page -  _layouts/15/settings.aspx
User Alerts -_layouts/15/sitesubs.aspx
User Information List - _catalogs/users/simple.aspx
View All Site Content - _layouts/15/viewlsts.aspx
Web Part Gallery -  _catalogs/wp/Forms/AllItems.aspx
Web part maintenance mode -  ?contents=1 to Page URL
Web Analytics Reports Summary - _layouts/15/usage.aspx