If you provide it no argument, it will show all the processes from init or systemd. pstree means process tree and it shows all the running processes as a tree. The output will simply have the name of the shell: echo $0 When it is used inside a shell script, it denotes the name of the script.īut if you use it in a shell without filename, it will show the name of the shell. $0 can be the name of the shell or the name of shell script. The output should be like this: PID TTY TIME CMD If you try to see the process information, it should show you the process name i.e. This is a read-only parameter and cannot be modified. “$$” indicates the process id of the current instance of the shell you are running. You can use the special shell parameter $$. But these commands should be accurate for most of the shells.
Now there is no command that will give you this output with 100% accuracy for all the shells. Find out which shell you are using in Linux Let me show you various Linux commands to find out which shell you are using. If you frequently change shell in Linux, you might wonder which shell you are using at the moment. Some of the most popular ones are:įor example, if you log into a Linux system not known to you, you may wonder which shell is being used by default. There are several shell available for Linux systems. RemoteCommand zsh -l -c 'while ] do sleep 0.Which Shell am I using in Linux? Is that even a question? Of course, it is.
This can be used instead of 'long' sleep time: It's super hackish, I'd like to know if there is a better way, too. Your local uses sftp to put your file to remote server, remote server wakes up from sleep and sources your scripts.Your remote shell doesn't have the file yet, so it has to wait till file is there, ergo sleep.Your connection to remote should be open and alive.Here is the catch, it happens only after 'successful' connection to remote host. LocalCommand defines what needs to be run on local, which is used to copy your local file to remote server for sourcing it.RemoteCommand defines what needs to be run on remote side.LocalCommand bash -c 'sftp <<< "put /tmp/somefile /tmp/somefile"' RemoteCommand zsh -l -c 'sleep 1 source /tmp/somefile zsh' WARNING This comes with no guarantees and doesn't look 'wise', however I did managed to put my local file to server and source it in login shell using this. There could be hackish way to accomplish what you are looking for, like below. Since it's a shared account, I can use zsh only for myself with this method.Īdd this to your ~/.ssh/config file in your local machine. zshrc to remote server, (that's without permanently storing it there), this works for me to change my login shell on remote server.
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