这个错误$ y B. h. x, a, ~
sh-4.3# cd /volume1/Downloads' U p9 V9 [& a9 }' G' g
sh-4.3# tar synohdpack_img.txz -C // d* o q' F- j( [' ?
tar: invalid option -- 'y'- d! ?, n1 y( D# {9 D G
Try 'tar --help' or 'tar --usage' for more information. $ T! o4 \8 V/ ?3 Y3 E- ksh-4.3# tar: invalid option -- 'y 4 j* G+ e: K' E$ Q! V# |0 l, M