Update x-window-system.md

docs.it4i/general/accessing-the-clusters/graphical-user-interface/x-window-system.md

@@ -99,21 +99,21 @@ In this example, we activate the Intel programing environment tools and then sta
 
 ## GUI Applications on Compute Nodes
 
-Allocate the compute nodes using the `-X` option on the `qsub` command:
+Allocate the compute nodes using the `--x11` option on the `salloc` command:
 
 ```console
-$ qsub -q qexp -l select=2:ncpus=24 -X -I
+$ salloc -A PROJECT-ID -q qcpu_exp --x11
 ```
 
-In this example, we allocate 2 nodes via qexp queue, interactively. We request X11 forwarding with the `-X` option. It will be possible to run the GUI enabled applications directly on the first compute node.
+In this example, we allocate one node via qcpu_exp queue, interactively. We request X11 forwarding with the `--x11` option. It will be possible to run the GUI enabled applications directly on the first compute node.
 
 For **better performance**, log on the allocated compute node via SSH, using the `-X` option.
 
 ```console
-$ ssh -X r24u35n680
+$ ssh -X cn245
 ```
 
-In this example, we log on the r24u35n680 compute node, with the X11 forwarding enabled.
+In this example, we log on the cn245 compute node, with the X11 forwarding enabled.
 
 ## Gnome GUI Environment
 
@@ -143,7 +143,7 @@ xinit /usr/bin/ssh -XT -i .ssh/path_to_your_key yourname@cluster-namen.it4i.cz g
 ```
 
 However, this method does not seem to work with recent Linux distributions and you will need to manually source
-/etc/profile to properly set environment variables for PBS.
+/etc/profile to properly set environment variables for Slurm.
 
 ### Gnome on Windows