Enter the bos getdates command to determine when binary files were installed:
$ bos getdates -server machine -file binary_file... [-dir alternate_dest]
The -file binary_file option specifies the name of the current version of each binary file whose time stamps are to be displayed. The time stamps on the current, .BAK, and .OLD versions of each file are displayed. All specified files must reside in the same directory, dcelocal/bin or an alternate directory specified with the -dir option. Specify only filenames; the command ignores all but the final component of a pathname.
The -dir alternate_dest option specifies the pathname of the directory in which all specified files reside. Omit this option if the files reside in the default directory, dcelocal/bin; otherwise, provide a full or relative pathname. Relative path names are interpreted relative to the dcelocal directory on -server.