1. An image forming apparatus including job processing means for processing predetermined different jobs submitted by a corresponding job requester, comprising: record storage means for storing job processing records concerning the jobs processed by the job processing means according to each job processing requester; setting means for setting rules for displaying job processing record items to be displayed on an operation display unit by each job processing requester; authentication means for conducting authentication for each job processing requester when the job processing requester requests the job processing means to process a job; determining means for determining an attribute of the job processing requester authenticated by the authentication means; and control means for displaying the job processing records stored in the record storage means on the operation display unit by differentiating a display mode based on a result obtained by the determining means and the rules set by the setting means.