I start from gnome-shell to run the following command
tmux new -s "main" alacritty & Then run commands on the new shell of alacritty
pkill -9 terminal #to kill the gnome-shell terminal At the moment, pstree to review the current process
me@host:~: $ ps -ef | grep shell me 2986 2831 4 12:08 tty2 00:00:06 /usr/bin/gnome-shell me 3049 2745 0 12:08 ? 00:00:00 /usr/lib/gnome-shell/gnome-shell-calendar-server me 4073 4020 0 12:10 pts/2 00:00:00 grep --color=auto shell me@host:~: $ pstree -asp 2986 systemd,1 splash └─gdm3,1710 └─gdm-session-wor,2695 └─gdm-x-session,2816 --run-script... └─gnome-session-b,2831 --session=ubuntu └─gnome-shell,2986 ├─ibus-daemon,3020 --xim --panel disable │ ├─ibus-dconf,3024 │ │ ├─{ibus-dconf},3027 │ │ ├─{ibus-dconf},3028 │ │ └─{ibus-dconf},3043 │ ├─ibus-engine-sim,3401 │ │ ├─{ibus-engine-sim},3402 │ │ └─{ibus-engine-sim},3403 │ ├─ibus-extension-,3025 │ │ ├─{ibus-extension-},3035 │ │ ├─{ibus-extension-},3036 │ │ └─{ibus-extension-},3047 │ ├─{ibus-daemon},3021 │ └─{ibus-daemon},3022 ├─{gnome-shell},2988 ├─{gnome-shell},2990 ├─{gnome-shell},2991 ├─{gnome-shell},2992 ├─{gnome-shell},3007 ├─{gnome-shell},3014 ├─{gnome-shell},3015 ├─{gnome-shell},3016 └─{gnome-shell},3017 Why are there still so many gnome-shell running?
