[bash] How does a Linux/Unix Bash script know its own PID?

Examples related to bash

• Comparing a variable with a string python not working when redirecting from bash script • Zipping a file in bash fails • How do I prevent Conda from activating the base environment by default? • Get first line of a shell command's output • Fixing a systemd service 203/EXEC failure (no such file or directory) • /bin/sh: apt-get: not found • VSCode Change Default Terminal • Run bash command on jenkins pipeline • How to check if the docker engine and a docker container are running? • How to switch Python versions in Terminal?

Examples related to scripting

• What does `set -x` do? • Creating an array from a text file in Bash • Windows batch - concatenate multiple text files into one • Raise error in a Bash script • How do I assign a null value to a variable in PowerShell? • Difference between ${} and $() in Bash • Using a batch to copy from network drive to C: or D: drive • Check if a string matches a regex in Bash script • How to run a script at a certain time on Linux? • How to make an "alias" for a long path?

Examples related to pid

• How to get PID by process name? • Why is $$ returning the same id as the parent process? • How to get PID of process by specifying process name and store it in a variable to use further? • ERROR! MySQL manager or server PID file could not be found! QNAP • How to get the PID of a process by giving the process name in Mac OS X ? • Determine the process pid listening on a certain port • What is a .pid file and what does it contain? • How to get PID of process I've just started within java program? • How to check if a process id (PID) exists • How does a Linux/Unix Bash script know its own PID?