https://community.hpe.com/t5/operating-system-hp-ux/su-command-and-the-dev-pts-file/m-p/3735521#M255223 What you can do is chown the /dev/pts/nn file before the su command and then do a chown back just before exiting the su'ed shell. Both users are still able to read from and write to /dev/pts/nn so that the chown commands will be functional. Mon, 20 Feb 2006 17:45:06 GMT A. Clay Stephenson 2006-02-20T17:45:06Z https://community.hpe.com/t5/operating-system-hp-ux/su-command-and-the-dev-pts-file/m-p/3735520#M255222 Is there a way to cause the /dev/pts file ascribed to a login session to be owned by the "new" user when they 'su' (switch users). I have a script my user needs to run that does a loop with a 'read' that needs also to read within the loop from the 'tty' file (/dev/pts/*). Mon, 20 Feb 2006 17:04:11 GMT https://community.hpe.com/t5/operating-system-hp-ux/su-command-and-the-dev-pts-file/m-p/3735520#M255222 Don Bentz 2006-02-20T17:04:11Z https://community.hpe.com/t5/operating-system-hp-ux/su-command-and-the-dev-pts-file/m-p/3735521#M255223 What you can do is chown the /dev/pts/nn file before the su command and then do a chown back just before exiting the su'ed shell. Both users are still able to read from and write to /dev/pts/nn so that the chown commands will be functional. Mon, 20 Feb 2006 17:45:06 GMT https://community.hpe.com/t5/operating-system-hp-ux/su-command-and-the-dev-pts-file/m-p/3735521#M255223 A. Clay Stephenson 2006-02-20T17:45:06Z