What is the difference between Sys.indexes and Sys.sysindexes in MS-SQL?

Question

SQL Server

Actually, subject. What are their differences?

Answer 1

msdn.microsoft.com :

sys.sysindexes (Transact-SQL)
Contains one row for each index and table in the current database. XML indexes are not supported in this view. Partitioned tables and indexes are not fully supported in this view. Use the sys.indexes catalog view instead.