RH033. 10.CONFIGURING BASH SHELL

             CONFIGURING BASH SHELL


     a=3233     //local variable only for current shell
     export a  //Makes variable a globally available  for subsequent shells


     Inbuilt variables are defined in set|less and env|less

     Login scripts -->scripts tht executes when person logs in

     1./etc/profile
     2./etc/profile.d/lang.sh
     3./root/.bashrc
     4./root/.bash_profile
     5./etc/bashrc


     NON-Login scripts -->scripts tht executes when you do su or normaluser

     1./etc/profile
     2./etc/profile.d/lang.sh
     5./etc/bashrc


     #   su  - <user1>  //Root switching as user1 --no authentication needed
     $   su  - root    //Normal user switching as root -- authentication needed

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