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docs/merlin7/05-Software-Support/pmodules.md
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@@ -1,16 +1,8 @@
---
title: PSI Modules
#tags:
keywords: Pmodules, software, stable, unstable, deprecated, overlay, overlays, release stage, module, package, packages, library, libraries
last_updated: 07 September 2022
#summary: ""
sidebar: merlin7_sidebar
permalink: /merlin7/pmodules.html
---
# PSI Modules
## PSI Environment Modules
On top of the operating system stack we provide different software using the PSI developed PModule system.
On top of the operating system stack we provide different software using the PSI developed PModule system.
PModules is the official supported way and each package is deployed by a specific expert. Usually, in PModules
software which is used by many people will be found.
@@ -22,25 +14,25 @@ If you miss any package/versions or a software with a specific missing feature,
To ensure proper software lifecycle management, PModules uses three release stages: unstable, stable, and deprecated.
1. **Unstable Release Stage:**
* Contains experimental or under-development software versions.
* Not visible to users by default. Use explicitly:
* Contains experimental or under-development software versions.
* Not visible to users by default. Use explicitly:
```bash
module use unstable
```
* Software is promoted to **stable** after validation.
* Software is promoted to **stable** after validation.
2. **Stable Release Stage:**
* Default stage, containing fully tested and supported software versions.
* Recommended for all production workloads.
* Default stage, containing fully tested and supported software versions.
* Recommended for all production workloads.
3. **Deprecated Release Stage:**
* Contains software versions that are outdated or discontinued.
* These versions are hidden by default but can be explicitly accessed:
* Contains software versions that are outdated or discontinued.
* These versions are hidden by default but can be explicitly accessed:
```bash
module use deprecated
```
* Deprecated software can still be loaded directly without additional configuration to ensure user transparency.
* Deprecated software can still be loaded directly without additional configuration to ensure user transparency.
## PModules commands
@@ -57,7 +49,7 @@ module purge # unload all loaded packages and cleanup the en
```
Please refer to the **external [PSI Modules](https://pmodules.gitpages.psi.ch/chap3.html) document** for
detailed information about the `module` command.
detailed information about the `module` command.
### module use/unuse
@@ -85,7 +77,7 @@ Please run `module avail --help` for further listing options.
### module search
This is used to **search** for **software packages**. By default, if no **Release Stage** or **Software Group** is specified
in the options of the `module search` command, it will search from the already invoked *Software Groups* and *Release Stages*.
in the options of the `module search` command, it will search from the already invoked *Software Groups* and *Release Stages*.
Direct package dependencies will be also showed.
```bash