Windows commands

• 1. Get the help of a command
  
  • Syntax
  • # command ?/
  • Example:
  • # taskkill ?/
  • Displays the usage of the taskkill command.
• 2. List all the process running on the windows system.
  
  • Syntax
  • # tasklist
  • # tasklist /FI "IMAGENAME eq java.exe" - This command list all the process where the image name is java.exe
• 3. Kill specific process in the command prompt?
  
  • Example:
  • # taskkill /PID process_id
  • # taskkill /PID 8760
  • This command kills the process whose id is 8760.
• 4. Kill all java process running on the system.
  
  • Example:
  • taskkill /F /IM java.exe
  • /F – Delete java.exe process forcefully.
  • /IM – Image name of the process
• 5. List out all TCP/IP connections.
  
  • Syntax
  • # netstat
  • Example:
  • # netstat –aon
  • a – List all TCP/IP connections and listening ports.
  • o – Display process id associated with each connection.
  • n – Display addresses and port numbers in Numerical format.
    
    
• 6. Find out a process running on specific port.
  
  • Syntax
  • # netstat
  • Example:
  • # netstat –aon | findstr 0.0.8080
  • Consider that Tomcat is running on the 8080 port. The output of the above command is