diff --git a/src/shell_interface.rs b/src/shell_interface.rs
index 0e6ff26..a9fb1a1 100644
--- a/src/shell_interface.rs
+++ b/src/shell_interface.rs
@@ -1,5 +1,5 @@
-use crate::log;
 use crate::logger::{LogLevel, Logger};
+use crate::{log, osf};
 use std::error::Error;
 use std::ffi::OsString;
 use std::fmt::{Debug, Display, Formatter};
@@ -29,12 +29,12 @@ pub enum ShellCommand {
   Editor(Vec<OsString>),
   Execute {
     working_directory: PathBuf,
-    command: OsString,
+    command: Vec<OsString>,
   },
 }
 
 impl ShellCommand {
-  pub fn at<E>(self, environment: &mut E) -> EnvCommand<E> {
+  pub fn in_env<E>(self, environment: &mut E) -> EnvCommand<E> {
     EnvCommand {
       command: self,
       environment,
@@ -69,6 +69,17 @@ pub struct ScpParam {
   pub path: PathBuf,
 }
 
+impl From<&ScpParam> for OsString {
+  fn from(value: &ScpParam) -> Self {
+    let mut builder = osf!();
+    if let Some(server) = &value.server {
+      builder += format!("{server}:");
+    }
+    builder += &value.path;
+    builder.build()
+  }
+}
+
 impl Display for ShellCommand {
   fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
     write!(
@@ -94,8 +105,59 @@ pub(crate) fn command_to_string(command: &Command) -> String {
     .join(" ")
 }
 
-fn build_command_from_shell_command(_shell_command: &ShellCommand) -> Command {
-  todo!()
+macro_rules! cmd {
+  ($programm: expr $(, $arg:expr )*)=> {{
+    #[allow(unused_mut)]
+    let mut cmd = Command::new($programm);
+    $( cmd.arg($arg); )*
+    cmd
+  }};
+}
+
+fn build_command_from_shell_command(shell_command: &ShellCommand) -> Command {
+  match shell_command {
+    ShellCommand::Ssh {
+      address,
+      server_command,
+    } => cmd!(
+      "ssh",
+      address,
+      match server_command {
+        ServerCommand::Realpath { path } => osf!("realpath -e ") + path,
+        ServerCommand::Ls { dir } => osf!("ls ") + dir,
+        ServerCommand::Rm { file } => osf!("rm ") + file,
+        ServerCommand::Mv {
+          source,
+          destination,
+        } => osf!("mv ") + source + " " + destination,
+        ServerCommand::Execute {
+          working_directory,
+          command,
+        } => osf!("cd ") + working_directory + "; " + command,
+      }
+    ),
+    ShellCommand::Scp {
+      source,
+      destination,
+    } => cmd!("scp", OsString::from(source), OsString::from(destination)),
+    ShellCommand::SshAgent => cmd!("ssh-agent", "-s"),
+    ShellCommand::ShhAdd => cmd!("ssh-add"),
+    ShellCommand::Editor(args) => {
+      let mut args = args.clone();
+      let mut cmd = cmd!(args.remove(0));
+      cmd.args(args);
+      cmd
+    }
+    ShellCommand::Execute {
+      working_directory,
+      command,
+    } => {
+      let mut args = command.clone();
+      let mut cmd = cmd!(args.remove(0));
+      cmd.args(args).current_dir(working_directory);
+      cmd
+    }
+  }
 }
 
 pub trait ShellInterface {
@@ -380,3 +442,93 @@ where
 }
 
 impl<T> Error for ExecutionError<T> where T: AsRef<ExitStatus> + Debug {}
+
+#[cfg(test)]
+mod test_commands {
+  use crate::shell_interface::{ScpParam, ServerCommand, ShellCommand};
+  use std::path::PathBuf;
+
+  #[test]
+  fn test_to_string() {
+    assert_eq!(
+      ShellCommand::Ssh {
+        address: "crea".to_string(),
+        server_command: ServerCommand::Realpath {
+          path: PathBuf::from("plugins/*.jar")
+        }
+      }
+      .to_string(),
+      r#"ssh crea "realpath -e plugins/*.jar""#
+    );
+    assert_eq!(
+      ShellCommand::Ssh {
+        address: "crea".to_string(),
+        server_command: ServerCommand::Ls {
+          dir: PathBuf::from("creative/plugins")
+        }
+      }
+      .to_string(),
+      r#"ssh crea "ls creative/plugins""#
+    );
+    assert_eq!(
+      ShellCommand::Ssh {
+        address: "crea".to_string(),
+        server_command: ServerCommand::Rm {
+          file: PathBuf::from("foo.txt")
+        },
+      }
+      .to_string(),
+      r#"ssh crea "rm foo.txt""#
+    );
+    assert_eq!(
+      ShellCommand::Ssh {
+        address: "crea".to_string(),
+        server_command: ServerCommand::Mv {
+          source: PathBuf::from("foo"),
+          destination: PathBuf::from("bar")
+        }
+      }
+      .to_string(),
+      r#"ssh crea "mv foo bar""#
+    );
+    assert_eq!(
+      ShellCommand::Ssh {
+        address: "crea".to_string(),
+        server_command: ServerCommand::Execute {
+          working_directory: PathBuf::from(".."),
+          command: "sudo rm -rf *".into(),
+        }
+      }
+      .to_string(),
+      r#"ssh crea "cd ..; sudo rm -rf *""#
+    );
+    assert_eq!(
+      ShellCommand::Scp {
+        source: ScpParam {
+          server: None,
+          path: PathBuf::from("target/mssh")
+        },
+        destination: ScpParam {
+          server: Some("crea".into()),
+          path: PathBuf::from("/usr/bin")
+        },
+      }
+      .to_string(),
+      r#"scp target/mssh crea:/usr/bin"#
+    );
+    assert_eq!(ShellCommand::SshAgent.to_string(), r#"ssh-agent -s"#);
+    assert_eq!(ShellCommand::ShhAdd.to_string(), r#"ssh-add"#);
+    assert_eq!(
+      ShellCommand::Editor(vec!["kate".into(), "-b".into(), "test.txt".into()]).to_string(),
+      r#"kate -b test.txt"#
+    );
+    assert_eq!(
+      ShellCommand::Execute {
+        working_directory: PathBuf::from("/home/me/server"),
+        command: vec!["java".into(), "-jar".into(), "paper.jar".into()]
+      }
+      .to_string(),
+      r#"java -jar paper.jar"#
+    );
+  }
+}