+.TP
+.BI (dfs)pool
+Specify the UUID of the DAOS pool to connect to.
+.TP
+.BI (dfs)cont
+Specify the UUID of the DAOS DAOS container to open.
+.TP
+.BI (dfs)chunk_size
+Specificy a different chunk size (in bytes) for the dfs file.
+Use DAOS container's chunk size by default.
+.TP
+.BI (dfs)object_class
+Specificy a different object class for the dfs file.
+Use DAOS container's object class by default.
+.TP
+.BI (nfs)nfs_url
+URL in libnfs format, eg nfs://<server|ipv4|ipv6>/path[?arg=val[&arg=val]*]
+Refer to the libnfs README for more details.
+.TP
+.BI (exec)program\fR=\fPstr
+Specify the program to execute.
+Note the program will receive a SIGTERM when the job is reaching the time limit.
+A SIGKILL is sent once the job is over. The delay between the two signals is defined by \fBgrace_time\fR option.
+.TP
+.BI (exec)arguments\fR=\fPstr
+Specify arguments to pass to program.
+Some special variables can be expanded to pass fio's job details to the program :
+.RS
+.RS
+.TP
+.B %r
+replaced by the duration of the job in seconds
+.TP
+.BI %n
+replaced by the name of the job
+.RE
+.RE
+.TP
+.BI (exec)grace_time\fR=\fPint
+Defines the time between the SIGTERM and SIGKILL signals. Default is 1 second.
+.TP
+.BI (exec)std_redirect\fR=\fbool
+If set, stdout and stderr streams are redirected to files named from the job name. Default is true.