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What does wait do in shell script?
wait command is used with a particular process id or job id. When multiple processes are running in the shell then only the process id of the last command will be known by the current shell. If wait command is executed this time, then it will be applied for the last command.
How do I run a shell script with nohup?
nohup command syntax: command-name : is name of shell script or command name. You can pass argument to command or a shell script. & : nohup does not automatically put the command it runs in the background; you must do that explicitly, by ending the command line with an & symbol.
What happens when you execute nohup in shell?
The shell does not wait for the command to finish, and the return status is 0. Technically, the shell forks a subshell to execute the nohup command, and the main shell executing the script immediately proceeds to the next command in the script.
How to find if a script run as a nohup finished or not?
Subject to nohup implementation, but in most cases it will work. After running store the PID into a variable. $! is the PID of the last background process. HISPID=$! Unlike the other solution posted, this does not require modifying the script.sh I followed the suggestion by scompt.com modifying my script to store the pid
When does the nohup command return an exit code?
The only way the actual nohup command would return an exit code is if the java command could not be found or executed, or if the nohup command itself had an internal error. If the exec () system call is successful, the only time an exit code will be available is when the java command itself ends.
What does nohup stand for in JavaScript?
Nohup stands for no hang up, which can be executed as shown below. nohup syntax: Nohup is very helpful when you have to execute a shell-script or command that take a long time to finish. In that case, you don’t want to be connected to the shell and waiting for the command to complete.