resource_allocation_and_job_execution I

docs.it4i/general/resource_allocation_and_job_execution.md

 # Resource Allocation and Job Execution
 
-!!! important "Karolina migrating to Slurm"
-    Starting September 20., we are migrating the Karolina's workload manager **from PBS to Slurm**.
+!!! important "All clusters migrated to Slurm"
+    We migrated workload managers of all clusters (including Barbora and Karolina) **from PBS to Slurm**!
     For more information on how to submit jobs in Slurm, see the [Slurm Job Submission and Execution][7] section.
 
-To run a [job][1], computational resources for this particular job must be allocated. This is done via the [PBS Pro][b] job workload manager software, which distributes workloads across the supercomputer. Extensive information about PBS Pro can be found in the [PBS Pro User's Guide][2].
+To run a [job][1], computational resources for this particular job must be allocated. This is done via the [Slurm][b] job workload manager software, which distributes workloads across the supercomputer. Extensive information about Slurm can be found in the [Slurm User's Guide][2].
 
 ## Resource Allocation Policy