Avoid time out in UNIX server SSH session for long running scripts or shell scripts

Avoid time out in UNIX server SSH session for long running scripts or shell scripts 

Step 1: Perform your scripts or action plan on one SSH session 1
            sqlplus>egtuyetuy.sql or any shell scripts etc..

step 2: Login with another SSH session 2 and execute below
             
          while :; do echo ; date; sleep 30; done

this will avoid time out session for SSH terminal session 1