How to check if another instance of my shell script is running

How to check if another instance of my shell script is running

bash shell concurrency

bash

Bash: limit the number of concurrent jobs? [duplicate]

bash shell concurrency

bash

Is there any mutex/semaphore mechanism in shell scripts?

bash shell unix concurrency semaphore

bash

Is echo atomic when writing single lines

bash scripting concurrency

bash

bash flock: exit if can't acquire lock

bash concurrency flock

bash

Bash: how to simply parallelize tasks?

bash concurrency

bash

How to make sure only one instance of a Bash script is running at a time?

linux bash concurrency scheduled-tasks

bash

How to process files concurrently with bash?

bash file concurrency

bash