更改文件用户组、权限

1、更改文件用户组

adb shelllumeng:/cache # ls -ltotal 59080-rw-rw-rw- 1 root root 30246444 2017-11-20 17:41 update.ziplumeng:/cache # chown system update.zip                                    lumeng:/cache # ls -ltotal 59080-rw-rw-rw- 1 system root 30246444 2017-11-20 17:41 update.ziplumeng:/cache # chgrp  system update.zip                                   lumeng:/cache # ls -ltotal 59080-rw-rw-rw- 1 system system 30246444 2017-11-20 17:41 update.ziplumeng:/cache # chmod 777 update.zip                                       lumeng:/cache # ls -ltotal 59080-rwxrwxrwx 1 system system 30246444 2017-11-20 17:41 update.ziplumeng:/cache #