What is the ps command in UNIX? The ps command reports information on current running processes, outputting to standard output. It is frequently used to find process identifier numbers. It supports searching for processes by user, group, process id or executable name.
What is the use of ps command?
The ps command enables you to check the status of active processes on a system, as well as display technical information about the processes. This data is useful for administrative tasks such as determining how to set process priorities.
What is E and F in ps?
–e. displays information on all accessible processes. You can specify -A, -a, and -e in any combination; however, -a overrides both -A and -e. -f. displays information as if the user specified -o ruser=UID -o pid,ppid,pcpu=C -o stime,tty=TTY -o atime,args -G idlist.
What is Unix process status ps?
Command. In most Unix and Unix-like operating systems, the ps program (short for “process status”) displays the currently-running processes. A related Unix utility named top provides a real-time view of the running processes.
What is ps example?
P.S. is short for postscript, which is defined as an addition to a letter. An example of P.S. is what a person writes after his signature in the letter if he forgot to include something in the body.
Whats is ps?
Description. ps displays status information about processes, and optionally, the threads running under each process. By default, for each process that is associated with the user’s terminal, ps displays the process ID (PID), TTY, processor time used (TIME), and name of the command (COMM).
What is ps EF command?
This command is used to find the PID (Process ID, Unique number of the process) of the process. Each process will have the unique number which is called as PID of the process.
What does netstat command do in Linux?
The network statistics ( netstat ) command is a networking tool used for troubleshooting and configuration, that can also serve as a monitoring tool for connections over the network. Both incoming and outgoing connections, routing tables, port listening, and usage statistics are common uses for this command.
What is ps grep Pmon?
Some typical uses are to look at all processes for a user (e.g. ps -fu oracle), to look for a particular process by process ID (ps -fp PID), and to look for a process across the whole system (ps -ef|grep pmon). … Grep sees the characters in brackets as a set and matches any of the characters you provide.
What is ps grep Java?
ps -ef|grep $(which java) this will list java processes, but only for your default java installation. If you have more than one Java installed, e.g. your Jboss with java7, tomcat with java6, and eclipse with java5, this will fail. There is another tool called pgrep . You could give it a try, e.g.