Total time for which the process has utilized CPU. All the oracle process are not started by any terminal. As in case of grep pmon command was fired in terminal pts/2 thus it is showing that this process is started by terminal pts/2. ![]() This is the terminal from which the process was started. args COMMAND command with all its arguments as a string. (see cpu) tname TTY controlling tty (terminal). The Linux ps manpage, for example, gives: c C integer value of the processor utilisation percentage. Ps –efo user, pid, ppid, etime, args – etime will tell for last how many days process has been running. 4 Answers Sorted by: 26 You can check the manpage using man ps to find out what the columns mean. If you want to know full year and time of a lone running process, fire the command with this option This is the start time of the process, for a long running process like in case of Oracle it will show only the date in process was started. In the ps -ef grep processname command, the first part of the command lists all the processes on the system. ![]() processname is the name of the process or a pattern that we want to search for in the list of running processes. All the Oracle processes don’t have a parent process and are thus adopted by init process, init process having pid as 1 so all the oracle processes will have ppid as 1. grep is a command that searches for a given pattern or text within a file or output. This id is the pid of the process because of which these process has been started. This act as the identification no of the process running in the memory. ![]() The name of the user who have started the process.
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