As per our part 1 of this linux commands sequence, the first thing we are going to understand is the details of all the fields of output of ls -lrtah (here we are only taking one output line, detailed explanation is given in the part 1 ).

drwxr-xr-x   6    someOwnerUser    someOwnerGroup    4.0K    Sep 25 10:07    someDirectoryName

-rwxr-xr-x   6    someOwnerUser    someOwnerGroup    919      Sep 25 10:07    someFileName

First field shows the permission in linux.

1. Permission to the folder or directory in Linux.

The permission is divided into many sub parts, like the first letter d shows that the sequence that is being shows is a directory

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