On Solaris run the command prtconf and refer to the line starting "Memory size"
On AIX run the command lsattr -El sys0 and refer to the line starting with "realmem"
On HP-UX run the command dmesg and refer to the line starting with “ Physical:”
On Compaq Tru64 run the command vmstat -P and refer to the line starting with "Total Physical Memory" |