Here are some URL's to access pages in SharePoint. These URL are helpful to save time and hassles of clicking many times to reach a speicfied page:
The URL's are grouped based on the major functioanlity area:
Users and Permissions:
People and Groups: _layouts/people.aspx
Site Collection Admins: _layouts/mngsiteadmin.aspx
Advanced Permissions: _layouts/user.aspx
Master Pages: _Layouts/ChangeSiteMasterPage.aspx
Look and Feel:
Title, Desc, and Icon: _layouts/prjsetng.aspx
Navigation: _layouts/AreaNavigationSettings.aspx
Page Layout and Ste Templates: _Layouts/AreaTemplateSettings.aspx
Welcome Page: _Layouts/AreaWelcomePage.aspx
Tree View: _layouts/navoptions.aspx
Top Nav Bar: _layouts/topnav.aspx
Site Theme: _layouts/themeweb.aspx
Reset to Site Definition: _layouts/reghost.aspx
Searchable Columns: _Layouts/NoCrawlSettings.aspx
Site Content Types: _layouts/mngctype.aspx
Galleries
Site Columns: _layouts/mngfield.aspx
Site Templates: _catalogs/wt/Forms/Common.aspx
List Templates: _catalogs/lt/Forms/AllItems.aspx
Web Parts: _catalogs/wp/Forms/AllItems.aspx
Workflows: _layouts/wrkmng.aspx
Master Pages and Page Layouts: _catalogs/masterpage/Forms/AllItems.aspx
Regoinal Settings: _layouts/regionalsetng.aspx
Site Administration
Site Libraries and Lists: _layouts/mcontent.aspx
Site Usage Report: _layouts/usageDetails.aspx
User Alerts: _layouts/sitesubs.aspx
RSS: _layouts/siterss.aspx
Search Visibility: _layouts/srchvis.aspx
Sites and Workspaces: _layouts/mngsubwebs.aspx
Site Features: _layouts/ManageFeatures.aspx
Delete This Site: _layouts/deleteweb.aspx
Site Output Cache: _Layouts/areacachesettings.aspx
Content and Structure: _Layouts/sitemanager.aspx
Content and Structure Logs: _Layouts/SiteManager.aspx?lro=all
Search Settings: _layouts/enhancedSearch.aspx
Site Collection Administration
Search Scopes: _layouts/viewscopes.aspx?mode=site
Search Keywords: _layouts/listkeywords.aspx
Recycle Bin: _layouts/AdminRecycleBin.aspx
Site Collection Features: _layouts/ManageFeatures.aspx?Scope=Site
Site Hierachy: _layouts/vsubwebs.aspx
Portal Site Connection: _layouts/portal.aspx
Site Collection Audit Settings: _layouts/AuditSettings.aspx
Site Collection Policies: _layouts/Policylist.aspx
Site Collection Cache Profiles: Cache%20Profiles/AllItems.aspx
Site Collection Output Cache: _Layouts/sitecachesettings.aspx
Site Collection Object Cache: _Layouts/objectcachesettings.aspx
Variations: _Layouts/VariationSettings.aspx
Variation Labels: _Layouts/VariationLabels.aspx
Translatable Columns: _Layouts/TranslatableSettings.aspx
Variation Logs: _Layouts/VariationLogs.aspx
Site Settings: _layouts/settings.aspx