Java Execute Linux command

public class Linuxutils {

static Logger Logger = Logger.getlogger (Linuxutils.class);

public static string Execmd (string cmd) {

Logger.info (CMD);

String returnstring = "";

Runtime runtime = Runtime.getruntime ();

Process pro = null;

StringBuffer sb = new StringBuffer ();

if (runTime = = null) {

Logger.error ("Create runtime faliure!");

}

try {

Pro = Runtime.exec (cmd);

BufferedReader input = new BufferedReader (New InputStreamReader (

Pro.getinputstream ()));

String Line;

while (line = Input.readline ()) = null) {

Sb.append (line + "\ n");

}

returnstring = Sb.tostring ();

Logger.info (The result of "executing the +cmd+" command is: "+returnstring);

Input.close ();

} catch (IOException e) {

TODO auto-generated Catch block

E.printstacktrace ();

}

return returnstring;

}

}

String ls = linuxutils.execmd ("ls-l" + path);

Char fc = Ls.charat (0);

OPQ = ls.substring (1, 10);

Logger.info ("The first character that executes the return result of the Linux command is:" +FC);

Java Execute Linux command