zhouxiayuedeMBP:~ Joyce$ cd ./desktop
zhouxiayuedeMBP:desktop Joyce$ ls -l
total 67888
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 1
drwxr-xr-x 2 Joyce staff 68 8 4 16:59 2
-rwxr-xr-x@ 1 Joyce staff 3020562 8 3 14:29 PI-RT17-0266.xlsx
-rw-r--r--@ 1 Joyce staff 25670 7 24 18:41 PI-RT18-0234A.xlsx
-rw-r--r--@ 1 Joyce staff 27176 8 3 13:54 PI-RT18-0262.xlsx
-rwxr-xr-x 1 Joyce staff 27620 4 12 2017 RT_Contract.docx
-rwxr-xr-x@ 1 Joyce staff 8148067 7 4 18:11 Robotime Quotations-Rokr.xlsx
-rw-r--r--@ 1 Joyce staff 1443393 6 22 15:08 Robotime Quotations-steam punk music box.xlsx
-rw-r--r--@ 1 Joyce staff 7403811 5 14 11:39 Rowood-Robotime quotation.xlsx
-rw-r--r--@ 1 Joyce staff 601080 8 2 21:06 order 1 from 2 greece robotime.xlsx
-rw-r--r--@ 1 Joyce staff 555702 8 2 21:06 order 2 from 2 greece robotime.xlsx
-rwxrwx---@ 1 Joyce staff 13480804 4 19 2017 鸟哥的Linux私房菜-基础学习篇(第四版)高清完整书签PDF版（Linuxidc.com）.pdf
zhouxiayuedeMBP:desktop Joyce$ chmod 770 ./1
zhouxiayuedeMBP:desktop Joyce$ ls -l ./1
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 ./1
zhouxiayuedeMBP:desktop Joyce$ cp ./1 ./2
zhouxiayuedeMBP:desktop Joyce$ ls -l
total 67888
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 1
drwxr-xr-x 3 Joyce staff 102 8 4 17:00 2
-rwxr-xr-x@ 1 Joyce staff 3020562 8 3 14:29 PI-RT17-0266.xlsx
-rw-r--r--@ 1 Joyce staff 25670 7 24 18:41 PI-RT18-0234A.xlsx
-rw-r--r--@ 1 Joyce staff 27176 8 3 13:54 PI-RT18-0262.xlsx
-rwxr-xr-x 1 Joyce staff 27620 4 12 2017 RT_Contract.docx
-rwxr-xr-x@ 1 Joyce staff 8148067 7 4 18:11 Robotime Quotations-Rokr.xlsx
-rw-r--r--@ 1 Joyce staff 1443393 6 22 15:08 Robotime Quotations-steam punk music box.xlsx
-rw-r--r--@ 1 Joyce staff 7403811 5 14 11:39 Rowood-Robotime quotation.xlsx
-rw-r--r--@ 1 Joyce staff 601080 8 2 21:06 order 1 from 2 greece robotime.xlsx
-rw-r--r--@ 1 Joyce staff 555702 8 2 21:06 order 2 from 2 greece robotime.xlsx
-rwxrwx---@ 1 Joyce staff 13480804 4 19 2017 鸟哥的Linux私房菜-基础学习篇(第四版)高清完整书签PDF版（Linuxidc.com）.pdf
zhouxiayuedeMBP:desktop Joyce$ cp ./1 ./3
zhouxiayuedeMBP:desktop Joyce$
zhouxiayuedeMBP:desktop Joyce$ ls -l
total 67888
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 1
drwxr-xr-x 2 Joyce staff 68 8 4 16:59 2
-rwxr-xr-x@ 1 Joyce staff 3020562 8 3 14:29 PI-RT17-0266.xlsx
-rw-r--r--@ 1 Joyce staff 25670 7 24 18:41 PI-RT18-0234A.xlsx
-rw-r--r--@ 1 Joyce staff 27176 8 3 13:54 PI-RT18-0262.xlsx
-rwxr-xr-x 1 Joyce staff 27620 4 12 2017 RT_Contract.docx
-rwxr-xr-x@ 1 Joyce staff 8148067 7 4 18:11 Robotime Quotations-Rokr.xlsx
-rw-r--r--@ 1 Joyce staff 1443393 6 22 15:08 Robotime Quotations-steam punk music box.xlsx
-rw-r--r--@ 1 Joyce staff 7403811 5 14 11:39 Rowood-Robotime quotation.xlsx
-rw-r--r--@ 1 Joyce staff 601080 8 2 21:06 order 1 from 2 greece robotime.xlsx
-rw-r--r--@ 1 Joyce staff 555702 8 2 21:06 order 2 from 2 greece robotime.xlsx
-rwxrwx---@ 1 Joyce staff 13480804 4 19 2017 鸟哥的Linux私房菜-基础学习篇(第四版)高清完整书签PDF版（Linuxidc.com）.pdf
zhouxiayuedeMBP:desktop Joyce$ chmod 770 ./1
zhouxiayuedeMBP:desktop Joyce$ ls -l ./1
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 ./1
zhouxiayuedeMBP:desktop Joyce$ cp ./1 ./2
zhouxiayuedeMBP:desktop Joyce$ ls -l
total 67888
-rwxrwx--- 1 Joyce staff 414 6 9 18:26 1
drwxr-xr-x 3 Joyce staff 102 8 4 17:00 2
-rwxr-xr-x@ 1 Joyce staff 3020562 8 3 14:29 PI-RT17-0266.xlsx
-rw-r--r--@ 1 Joyce staff 25670 7 24 18:41 PI-RT18-0234A.xlsx
-rw-r--r--@ 1 Joyce staff 27176 8 3 13:54 PI-RT18-0262.xlsx
-rwxr-xr-x 1 Joyce staff 27620 4 12 2017 RT_Contract.docx
-rwxr-xr-x@ 1 Joyce staff 8148067 7 4 18:11 Robotime Quotations-Rokr.xlsx
-rw-r--r--@ 1 Joyce staff 1443393 6 22 15:08 Robotime Quotations-steam punk music box.xlsx
-rw-r--r--@ 1 Joyce staff 7403811 5 14 11:39 Rowood-Robotime quotation.xlsx
-rw-r--r--@ 1 Joyce staff 601080 8 2 21:06 order 1 from 2 greece robotime.xlsx
-rw-r--r--@ 1 Joyce staff 555702 8 2 21:06 order 2 from 2 greece robotime.xlsx
-rwxrwx---@ 1 Joyce staff 13480804 4 19 2017 鸟哥的Linux私房菜-基础学习篇(第四版)高清完整书签PDF版（Linuxidc.com）.pdf
zhouxiayuedeMBP:desktop Joyce$ cp ./1 ./3
zhouxiayuedeMBP:desktop Joyce$
