Displays the values of environment variables.
printenv [ Name ]
The printenv command displays the values of environment variables. If you specify the Name parameter, the system only prints the value associated with the Name parameter. If you do not specify the Name parameter, the printenv command displays the current environment, showing one Name =Value sequence per line.
If you specify a Name parameter that you have not defined in the environment, the printenv command returns an exit status of 1; otherwise it returns a status of 0 (zero).
printenv MAILMSG
YOU HAVE NEW MAIL
The env command.
The environment file.
Profiles Overview in AIX Version 4.3 System Management Guide: Operating System and Devices.
Shells Overview in AIX Version 4.3 System User's Guide: Operating System and Devices.