#pidof

[nixcraft]

Bash check if process is running or not on Linux / Unix - nixCraft

Bash check if process is running or not on Linux/Unix - Learn how to determine whether a process is running or not and use a conditional shell script.

Is process running or not my Linux or Unix box? 

pgrep -x nginx >/dev/null && echo "Running" ps -C mysqld >/dev/null && echo "Yes"

See how to determine whether a process is running or not and use a conditional shell script to start/stop process

[thelinuxhelp]

Pidof Command in Linux Terminal with example

Pidof Command in Linux Terminal with example

In the Linux, the pidof is a command-line tool that is used to find the process ID of a running program. In this article, we will going to show you how to use the pidof command in Linux terminal. If you want to learn about Pidof Command in Linux then this post is ideal for you. Linux is an operating system, like Windows OS, iOS, and Mac OS. Linux is one of the most popular operating system on…

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[nraj]

Process - Know your id!

Use pidof to know the process id any running process like so:

> pidof node

625

No need for ps -ef | grep 'blah' and doing wild guess as to which numeral value stands for pid

For more: 

> man pidof