You can use the “mount” command to show the status of mounted filesystems in solaris
root@solaris:~# mount / on rpool/ROOT/solaris read/write/setuid/devices/rstchown/dev=4750002 on Wed Dec 31 16:00:00 1969 /devices on /devices read/write/setuid/devices/rstchown/dev=8a40000 on Tue Aug 22 05:13:18 2017 /dev on /dev read/write/setuid/devices/rstchown/dev=8a80000 on Tue Aug 22 05:13:18 2017 /system/contract on ctfs read/write/setuid/devices/rstchown/dev=8b40001 on Tue Aug 22 05:13:18 2017 /proc on proc read/write/setuid/devices/rstchown/dev=8ac0000 on Tue Aug 22 05:13:18 2017 /etc/mnttab on mnttab read/write/setuid/devices/rstchown/dev=8b80001 on Tue Aug 22 05:13:18 2017 /system/volatile on swap read/write/setuid/devices/rstchown/xattr/dev=8bc0001 on Tue Aug 22 05:13:18 2017 /system/object on objfs read/write/setuid/devices/rstchown/dev=8c00001 on Tue Aug 22 05:13:18 2017 /etc/dfs/sharetab on sharefs read/write/setuid/devices/rstchown/dev=8c40001 on Tue Aug 22 05:13:18 2017 /lib/libc.so.1 on /usr/lib/libc/libc_hwcap1.so.1 read/write/setuid/devices/rstchown/dev=4750002 on Tue Aug 22 05:13:27 2017 /dev/fd on fd read/write/setuid/devices/rstchown/dev=8d40001 on Tue Aug 22 05:13:27 2017 /var on rpool/ROOT/solaris/var read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750004 on Tue Aug 22 05:13:36 2017 /tmp on swap read/write/setuid/devices/rstchown/xattr/dev=8bc0002 on Tue Aug 22 05:13:36 2017 /var/share on rpool/VARSHARE read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750005 on Tue Aug 22 05:13:36 2017 /export on rpool/export read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750006 on Tue Aug 22 05:13:47 2017 /export/home on rpool/export/home read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750007 on Tue Aug 22 05:13:47 2017 /rpool on rpool read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750008 on Tue Aug 22 05:13:47 2017 /system/zones on rpool/VARSHARE/zones read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=4750009 on Tue Aug 22 05:13:48 2017 /var/share/pkg on rpool/VARSHARE/pkg read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=475000a on Tue Aug 22 05:13:50 2017 /var/share/pkg/repositories on rpool/VARSHARE/pkg/repositories read/write/setuid/devices/rstchown/nonbmand/exec/xattr/atime/dev=475000b on Tue Aug 22 05:13:50 2017