System Monitor

1
Recover Distributed Tx RECO
Snapshot Auto-refresh SNPn
System Monitor SMON
Process Monitor PMON
Server Locks LCK
Parallel Query Pnnn
Buffer CacheDB_Block_Buffers DB_block_size
Redo Log_Buffer
Shared PoolShared_Pool_size
SGA
Dict Cache
SQL Area
CKPT
DBWR
LGWR
Shared Server PGA
Other Processes
ARCH
User UGA
Data files
Redo Log files
Archive Logfiles
SQL Area is also known as Library Cache
Control files
init.ora Parameter file