diff --git a/disciplines/computerscience.ttl b/disciplines/computerscience.ttl
index 3e1380e3..3677988d 100644
--- a/disciplines/computerscience.ttl
+++ b/disciplines/computerscience.ttl
@@ -548,6 +548,9 @@ Batch programming languages."""@en ;
 ###  http://emmo.info/emmo/disciplines/computerscience#EMMO_51645022_3a21_4fa9_a9ce_a795eebbeca7
 :EMMO_51645022_3a21_4fa9_a9ce_a795eebbeca7 rdf:type owl:Class ;
                                            rdfs:subClassOf :EMMO_64963ed6_39c9_4258_85e0_6466c4b5420c ;
+                                           :EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "From a bash shell would e.g. `ls` be a command. Another example of a shell command would be `/path/to/executable arg1 arg2`."@en ;
+                                           :EMMO_c7b62dd7_063a_4c2a_8504_42f7264ba83f "A command must be interpretable by the computer system."@en ,
+                                                                                      "Commands are typically performed from a shell or a shell script, but not limited to them."@en ;
                                            rdfs:comment "An instruction to a computer system to perform a given task."@en ;
                                            skos:prefLabel "Command"@en .