New command, pwait! Waits for another process to finish just like
pgrep finds or pkill kills another process.
References:
procps-ng/procps!97
* pidof: show worker threads Redhat #1803640
* ps.1: Mention stime alias issue #164
* ps: check also match on truncated 16 char comm names
+ * pwait: New command waits for a process merge #97
* sysctl: Match systemd directory order Debian #950788
* sysctl: Document directory order Debian #951550
* top: ensure config file backward compatibility Debian #951335