Quick Answer: How Do I Find the Process Group Id in Linux?
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A process finds the ID of its process group using the system call getpgrp() , or, equivalently, getpgid(0) . One finds the process group ID of process p using getpgid(p) .

How do you find the ID of a group in Linux?

To find a user’s UID (user ID) or GID (group ID) and other information in Linux/Unix-like operating systems, use the id command.

What is process group ID in Linux?

In general, yes, the process group ID is equal to the process ID of the process that created the process group — and that process created the process group by putting itself in the group. You can find this information in the documentation of the setpgid system call, and of its variant setpgrp .

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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