The first process executed when the system boots is sched (the swapper) followed by The following example shows output from ps -ef. The following example shows output from the ps command when no options are used. To list all the processes being executed on a system, use the ps command.ĭisplays full information about all the processes The terminal from which the process (or its parent) was started. The starting time of the process (in hours, minutes, and seconds). The address of an event or lock for which the process is sleeping. The process's nice number, which contributes to its scheduling priority. This field is included only with the -c option. The scheduling class to which the process belongs: real-time, system, or timesharing. This field is not displayed when the -c option is used. The processor utilization for scheduling. Table 63-1 Summary of Fields in ps Reports See ps(1) for a description of all available options. The fields displayed depend on which option you choose. Table 63-1 describes some of the fields reportedīy the ps command. Tasks as determining how to set process priorities, and how to kill processes that have hung or becomeĭepending on which options you use, ps reports the following information: This data is useful for such administrative The ps command enables you to check the status of active processes on a system,Īs well as display technical information about the processes. This section describes commands used to manage process information.
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