Merge branch 'ml-revison' into 'master'

Ml revison

See merge request !75

docs.it4i/software/lmod.md

@@ -19,6 +19,7 @@ Below you will find more details and examples.
 | ml                       | module list                                                      |
 | ml GCC/6.2.0-2.27        | module load GCC/6.2.0-2.27                                       |
 | ml -GCC/6.2.0-2.27       | module unload GCC/6.2.0-2.27                                     |
+| ml purge                 | module unload all modules                                        |
 | ml av                    | module avail                                                     |
 | ml show GCC/6.2.0-2.27   | module show GCC                                                  |
 | ml spider                | gcc searches (case-insensitive) for gcc in all available modules |
@@ -39,11 +40,11 @@ Currently Loaded Modules:
 ```
 
 !!! tip
-    for more details on sticky modules, see the section on [ml purge](#resetting-by-unloading-all-modules-ml-purge-module-purge)
+    For more details on sticky modules, see the section on [ml purge](#resetting-by-unloading-all-modules).
 
 ## Searching for Available Modules
 
-To get an overview of all available modules, you can use module avail or simply ml av:
+To get an overview of all available modules, you can use ml avail or simply ml av:
 
 ```bash
 $ ml av
@@ -59,7 +60,7 @@ $ ml av
 
 In the current module naming scheme, each module name consists of two parts:
 
-* the part before the first /, corresponding to the software name; and
+* the part before the first /, corresponding to the software name
 * the remainder, corresponding to the software version, the compiler toolchain that was used to install the software, and a possible version suffix
 
 !!! tip
@@ -108,7 +109,7 @@ $ ml spider gcc
 ```
 
 !!! tip
-    spider is case-insensitive.
+    Spider is case-insensitive.
 
 If you use spider on a full module name like GCC/6.2.0-2.27 it will tell on which cluster(s) that module available:
 
@@ -148,7 +149,7 @@ Use "module keyword key1 key2 ..." to search for all possible modules matching a
 ```
 
 !!! tip
-    the specified software name is treated case-insensitively.
+    The specified software name is treated case-insensitively.
 
 Lmod does a partial match on the module name, so sometimes you need to use / to indicate the end of the software name you are interested in:
 
@@ -167,7 +168,7 @@ Use "module keyword key1 key2 ..." to search for all possible modules matching a
 
 ## Inspecting a Module
 
-To see how a module would change the environment, use module show or ml show:
+To see how a module would change the environment, use ml show:
 
 ```bash
 $ ml show Python/3.5.2
@@ -198,11 +199,11 @@ setenv("EBEXTSLISTPYTHON","setuptools-20.1.1,pip-8.0.2,nose-1.3.7")
 !!! tip
     Note that both the direct changes to the environment as well as other modules that will be loaded are shown.
 
-If you're not sure what all of this means: don't worry, you don't have to know; just try loading the module as try using the software.
+If you're not sure what all of this means: don't worry, you don't have to know, just try loading the module as try using the software.
 
 ## Loading Modules
 
-The effectively apply the changes to the environment that are specified by a module, use module load or ml and specify the name of the module.
+The effectively apply the changes to the environment that are specified by a module, use ml and specify the name of the module.
 For example, to set up your environment to use intel:
 
 ```bash
@@ -233,11 +234,11 @@ Currently Loaded Modules:
 
 For example, once you have loaded one or more modules that were installed with the intel/2017.00 toolchain, all other modules that you load should have been installed with the same toolchain.
 
-In addition, only **one single version** of each software package can be loaded at a particular time. For example, once you have the Python/3.5.2-intel-2017.00 module loaded, you can not load a different version of Python in the same session/job script; neither directly, nor indirectly as a dependency of another module you want to load.
+In addition, only **one single version** of each software package can be loaded at a particular time. For example, once you have the Python/3.5.2-intel-2017.00 module loaded, you can not load a different version of Python in the same session/job script, neither directly, nor indirectly as a dependency of another module you want to load.
 
-Unloading modules: ml modname(s) (module unload modname(s))
+Unloading modules: ml -modname(s) 
 
-To revert the changes to the environment that were made by a particular module, you can use module unload or ml -<modname>.
+To revert the changes to the environment that were made by a particular module, you can use ml -<modname>.
 For example:
 
 ```bash
@@ -262,7 +263,7 @@ $ which gcc
 
 ## Resetting by Unloading All Modules
 
-To reset your environment back to a clean state, you can use module purge or ml purge:
+To reset your environment back to a clean state, you can use ml purge or ml purge --force:
 
 ```bash
 $ ml
@@ -280,7 +281,7 @@ $ ml
 No modules loaded
 ```
 
-As such, you should not (re)load the cluster module anymore after running ml purge. See also here.
+As such, you should not (re)load the cluster module anymore after running ml purge.
 
 ## Module Collections