DBCC shrinkfile(file_id ,size) to shrink file
I would certainly hope shrink isn't a 'most frequently used command', as one should not shrink database files without good reason.
DBCC Inputbuffer can be mostly replaced with the sys.dm_exec_sql_text DMV.
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
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