What is PTS in ps command?
Active Oldest Votes. 5. The sixth field indicates the terminal the command is running on. In the case of your grep command, it is running on pts/6, or pseudo terminal number 6, which happens to be the pseudo terminal allocated to the terminal window you opened.
What does ps aux mean?
The ps aux command is a tool to monitor processes running on your Linux system. A process is associated with any program running on your system, and is used to manage and monitor a program’s memory usage, processor time, and I/O resources.
What is AUX process?
The POSIX and UNIX standards require that “ps -aux” print all processes owned by a user named “x”, as well as printing all processes that would be selected by the -a option. If the user named “x” does not exist, this ps may interpret the command as “ps aux” instead and print a warning.
What does PTS / 0 and ( 0.0 ) mean?
The pts/0 is telling you which “pseudo terminal” the user is logged in on. In this case it’s terminal #0. The ” (:0.0)” tells you which hostname and display you’re using. who am i is an alias of command who -m. See the man page for who. You can also read about the who command here. The output can definitely be confusing to a Unix novice.
What does PTS / 0 and Pts / 1 mean in GNOME?
All I could find was that pts stands for “pseudo terminal slave”, but couldn’t understand the difference behind pts/0 and pts/1. Why is there a “?” in TTY column? Why is the tty unknown for that process? What is the meaning of various Gnome applications such as “gnome-pty-helper” and “gnomepager_applet”? Many Thanks.
What is the difference between a TTY terminal and a PTS?
A tty is a native terminal device, the backend is either hardware or kernel emulated. A pty (pseudo terminal device) is a terminal device which is emulated by an other program (example: xterm, screen, or ssh are such programs). A pts is the slave part of a pty.
What’s the difference between PTs and pseudo terminal?
pts stands for pseudo terminal slave. A terminal (or console) is traditionally a keyboard/screen combination you sit and type at. Old UNIX boxes would have dozens of them hanging off the back, all connected with miles of cable. A pseudo terminal provides just the same facility only without the hardware.