Show info about process with a given PID

ps -p <PID>

Example output:

  PID TTY           TIME CMD
55109 ??         0:00.53 /opt/homebrew/opt/redis/bin/redis-server 127.0.0.1:6379 

• PID: process ID
• TTY: the name of the controlling terminal (if any).
• TIME: how much CPU time the process has used since execution.
• CMD: the command that spawned the process.