The following example shows that disk c1t0d0 is formatted.
# format /dev/rdsk/c1* AVAILABLE DISK SELECTIONS: 0. /dev/rdsk/c1t0d0s0 <SUN18G cyl 7506 alt 2 hd 19 sec 248> /sbus@2,0/QLGC,isp@2,10000/sd@0,0 1. /dev/rdsk/c1t1d0s0 <SUN18G cyl 7506 alt 2 hd 19 sec 248> /sbus@2,0/QLGC,isp@2,10000/sd@1,0 2. /dev/rdsk/c1t8d0s0 <SUN18G cyl 7506 alt 2 hd 19 sec 248> /sbus@2,0/QLGC,isp@2,10000/sd@8,0 3. /dev/rdsk/c1t9d0s0 <SUN18G cyl 7506 alt 2 hd 19 sec 248> /sbus@2,0/QLGC,isp@2,10000/sd@9,0 Specify disk (enter its number): 0 selecting /dev/rdsk/c1t0d0s0 [disk formatted] |