Aug 27, 2023 · How do I obtain the PID of the shell running the pts? I can try to use something like ps -t $(tty) but this does not provide enough information to reliably determine the root shell (i.e. multiple shell instances, PID reuse on long running systems, etc).

Oct 23, 2019 · Usually, when running the ps command, the most important information the user is looking for is the process PID. Knowing the PID allows you to kill a malfunctioning process . TTY - The name of the controlling terminal for the process. TIME - The cumulative CPU time of the process, shown in minutes and seconds.

Aug 25, 2012 · You can also open another terminal (or switch to another tty) and run top, which is basically a text version of the System Monitor. The first column lists the PID of each running …

It displays the process ID (pid=PID), the terminal associated with the process (tname=TTY), the cumulated CPU time in [DD-]hh:mm:ss format (time=TIME), and the executable name (ucmd=CMD).

Mar 17, 2016 · well most efficient of all would be run the tty command within your bash session. If you insist on using ps - ps -p $$ -o tty= @iruvar tty will output "not a tty" if the shell runs in background unlike the ps way. @jarno ...in which case you're not running an interactive terminal, so... what answer would you have preferred? Simply by typing tty:

Oct 4, 2019 · Here CryBit going to explain the command-line option to kill unwanted or unused or idle ttys. We need the PID (Process ID) of that particular terminal (tty). First check the active connections server using the command “ w.” Please see the sample output pasted below: [email protected] [~]# w

Mar 18, 2024 · In this quick tutorial, we’ll explore how the ps process-monitoring command can help us in such situations. 2. Syntax. Let’s take a look at the basic syntax: Since all arguments are optional, let’s see what it does with no options: PID TTY TIME CMD. By default, it prints the processes of the current user and terminal in four columns:

May 30, 2016 · Use: ps a -o pid,tty,etime,cmd,user From ps manual: SIMPLE PROCESS SELECTION a ... An alternate description is that this option causes ps to list all processes with a terminal (tty), or to list all processes when used together with the x …

A TTY is a computer terminal. In the context of ps, it is the terminal that executed a particular command. The abbreviation stands for "TeleTYpewriter", which were devices that allowed users to connect to early computers.

Mar 26, 2018 · You have two gnome terminals, pts/0 and pts/1. Try opening a new VT using Ctrl+Alt+F1 and log in there, and repeat on terminals 3 and 4. Each time you do this ps -ef will show the processes running with that terminal. Background processes do not have a terminal attached, and will show ? in the TTY column.