# Application Name / Process Name **URL:** \ **Category:** Ruby\ **Created:** [May 21, 2010, 3:55pm UTC](https://www.ruby-forum.com/t/application-name-process-name/188996 "2010-05-21T15:55:27Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 21, 2010, 3:55pm UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/1 "2010-05-21T15:55:27Z")
Is there any way to set the application name or process name that appears in task manager for a program? ---
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 21, 2010, 4:18pm UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/2 "2010-05-21T16:18:32Z")
On May 21, 2010, at 9:55 AM, 12345678 123456789 wrote: > ## Is there any way to set the application name or process name that appears in task manager for a program? > > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/). $0 = “This is my program\0” But you might have trouble if you want to set the name to something longer than the original program + args. (I.e., $0.length You can also run into trouble if a process monitor (e.g., monit) is relying on the process name. -Rob Rob B. [http://agileconsultingllc.com](http://agileconsultingllc.com) removed\_email\_address@domain.invalid > **[Launch Scout Custom Software Development & Software Consulting](https://launchscout.com/)** > > We solve digital problems through custom software development and design for the web—apps, mobile, desktop and devices. removed\_email\_address@domain.invalid ---
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 21, 2010, 4:26pm UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/3 "2010-05-21T16:26:00Z")
Rob B. wrote: > On May 21, 2010, at 9:55 AM, 12345678 123456789 wrote: > > > ## Is there any way to set the application name or process name that appears in task manager for a program? > > > > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/). > > $0 = “This is my program\0” > > But you might have trouble if you want to set the name to something > longer than the original program + args. (I.e., $0.length > > You can also run into trouble if a process monitor (e.g., monit) is > relying on the process name. > > -Rob > > Rob B. > [http://agileconsultingllc.com](http://agileconsultingllc.com) > removed\_email\_address@domain.invalid > [http://gaslightsoftware.com](http://gaslightsoftware.com) > removed\_email\_address@domain.invalid Is there something I need to require at the beginning of my code because I tried this when I googled the answer and it doesn’t work. I think that only applies to Ruby on Rails. Here are the first few lines of my code: $defout.sync=true require ‘uri’ require ‘net/http’ require ‘FileUtils’ require ‘date’ require ‘yaml’ $0 = “ProgramName” ---
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 21, 2010, 4:49pm UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/4 "2010-05-21T16:49:34Z")
On May 21, 2010, at 10:26 AM, TJ nonstickglue wrote: > > $0 = “This is my program\0” > > [http://agileconsultingllc.com](http://agileconsultingllc.com) > > ## $0 = “ProgramName” > > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/). Nothing special [ruby-1.8.6] :Users/rab $ ruby -e ‘$0=“Here I am\0”;sleep 60’ & ps ww [1] 70676 PID TT STAT TIME COMMAND 62343 s000 S+ 0:00.28 -bash 70613 s001 S 0:00.12 -bash 70676 s001 R 0:00.00 Here I am But you do need to include the NUL at the end “\0” I believe. -Rob Rob B. [http://agileconsultingllc.com](http://agileconsultingllc.com) removed\_email\_address@domain.invalid > **[Launch Scout Custom Software Development & Software Consulting](https://launchscout.com/)** > > We solve digital problems through custom software development and design for the web—apps, mobile, desktop and devices. removed\_email\_address@domain.invalid ---
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 24, 2010, 2:01am UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/5 "2010-05-24T02:01:52Z")
Looks like it does with one-liner. ruby -e ‘$0=“Here I am\0”;puts Kernel::fork;sleep 60’ & ps ww Must be a keyboard thing here… MarkT On Mon, May 24, 2010 at 9:46 AM, Mark T [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Should this survive a 1.8.7 fork? MarkT ---
**Author:** ![superfly](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/48db29/32.png) [@superfly](https://www.ruby-forum.com/u/superfly)\ **Post date:** [May 24, 2010, 1:47am UTC](https://www.ruby-forum.com/t/application-name-process-name/188996/6 "2010-05-24T01:47:14Z")
Should this survive a 1.8.7 fork? MarkT