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When assigning wrong permissions or doing something wrong with permissions, all the files and folders appear as ?????????? when listing the content of the folder. To resolve this issue, use command below.


Current problem


inanzzz@inanzzz:~/project/test$ ls -l
total 4
??????????? ? ? ? a.txt
??????????? ? ? ? b.txt
??????????? ? ? ? folder

Solution


inanzzz@inanzzz:~/project$ chmod -R a+x test/

Result


inanzzz@inanzzz:~/project/test$ ls -l
total 4
-rw-rw-r-- 1 inanzzz inanzzz 0 Mar 20 19:00 a.txt
-rw-rw-r-- 1 inanzzz inanzzz 0 Mar 20 19:00 b.txt
drwxrwxr-x 2 inanzzz inanzzz 4096 Mar 20 19:00 folder