How to convert my program into a service?

[Jonesy]

On Tue, 30 Mar 2021 12:39:45 +0100, Colin Watson wrote:
> On Tue, Mar 30, 2021 at 12:35:58PM +0200, Bo Berglund wrote:
>> Additional question:
>> If the program is running as the ssytemd service and it needs to be updated,
>> cay I then do:
>> 1) Replace the executable file in place (while it is running)
>> 2) Command systemd to restart the service
>> 
>> I have noted that Linux does not protest if I remove a program when it is
>> running so I assume unlike Windows Linux loads the full program into memory at
>> start and does not need the file anymore?
>
> Yes, this is a routine operation on Unix and should work fine.

For compiled programs yes.  I don't believe it's the case for shell scripts.
Many times I stepped on my own d**k by editing and saving a bash script
while it was running.  

Dunno 'bout perl, python, etc.

Jonesy
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