diff --git a/systeroid-core/src/sysctl/controller.rs b/systeroid-core/src/sysctl/controller.rs
index 66c6ba6..6162190 100644
--- a/systeroid-core/src/sysctl/controller.rs
+++ b/systeroid-core/src/sysctl/controller.rs
@@ -57,6 +57,30 @@ impl Sysctl {
         parameter
     }
 
+    /// Returns the parameters that matches the given query.
+    pub fn get_parameters(&self, query: &str) -> Vec<&Parameter> {
+        let parameters = self
+            .parameters
+            .iter()
+            .filter(|param| {
+                param.name == query.replace("/", ".")
+                    || param.section.to_string() == query
+                    || match param.name.split('.').collect::<Vec<&str>>().last() {
+                        Some(absolute_name) => absolute_name == &query.replace("/", "."),
+                        _ => false,
+                    }
+            })
+            .collect::<Vec<&Parameter>>();
+        if parameters.is_empty() {
+            eprintln!(
+                "{}: cannot stat /proc/{}: No such file or directory",
+                env!("CARGO_PKG_NAME").split('-').collect::<Vec<_>>()[0],
+                query.replace(".", "/")
+            )
+        }
+        parameters
+    }
+
     /// Updates the parameters using the given list.
     ///
     /// Keeps the original values.
diff --git a/systeroid/src/app.rs b/systeroid/src/app.rs
index 75fba87..76280c4 100644
--- a/systeroid/src/app.rs
+++ b/systeroid/src/app.rs
@@ -121,12 +121,15 @@ impl<'a> App<'a> {
         } else {
             None
         };
-        if let Some(parameter) = self.sysctl.get_parameter(&param_name) {
-            if let Some(new_value) = new_value {
+        if let Some(new_value) = new_value {
+            if let Some(parameter) = self.sysctl.get_parameter(&param_name) {
                 parameter.update_value(&new_value, self.config, &mut self.stdout)?;
-            } else {
-                parameter.display_value(self.config, &mut self.stdout)?;
             }
+        } else {
+            self.sysctl
+                .get_parameters(&param_name)
+                .iter()
+                .try_for_each(|parameter| parameter.display_value(self.config, &mut self.stdout))?;
         }
         Ok(())
     }