Checking the version of Nohup

Nohup Command

Usually, every process in Linux systems is sent a SIGHUP (Signal Hang UP) which is responsible for terminating the process after closing/exiting the terminal. Nohup command prevents the process from receiving this signal upon closing or exiting the terminal/shell. Once a job is started or executed using the nohup command, stdin will not be available to the user and nohup.out file is used as the default file for stdout and stderr. If the output of the nohup command is redirected to some other file, nohup.out file is not generated....

Nohup Command Syntax

The syntax for using the Nohup command is straightforward:...

Checking the version of Nohup

Checking the version of Nohup is a simple process. You can typically check the version of Nohup installed on your system by using the `--version` flag. Simply execute the following command:...

Starting a Process Using Nohup

To start a process using Nohup, simply prepend the desired command with nohup. For example, if you want to execute a bash script named geekfile.py using Nohup, you would use the following command:...

Starting a Process in the Background Using Nohup

To run the command in the background, the ‘&’ symbol is appended at the end of the command. After executing, it doesn’t return to the shell command prompt after running the command in the background. It can be brought back to the foreground with the fg command....

To run multiple commands in the background

nohup command can be used to run multiple commands in the background....

nohup Command in Linux – FAQs

What is the nohup command in Linux, and what does it do?...

Conclusion

In Linux, when you run a command, it usually stops when you close the terminal. But with nohup, you can keep it running even after you’ve closed the terminal. This is super handy, especially if you’re running commands remotely and don’t want them to stop if your connection drops. nohup works by shielding your command from signals that would normally stop it. You just add nohup before your command, and it keeps going. You can also send the command’s output to a file. Just remember, it’s best for non-interactive tasks, and you can check on your command’s status using tools like ps. So, nohup is like a safety net for your commands, ensuring they keep chugging along even when you’re not watching....