USAGE
./my_ls [OPTION]... [FILE]...
OPTIONS
-1 list one file per line
-a do not ignore entries starting with .
-A do not list implied . and ..
-d list directories themselves, not their contents
-f do not sort
-i print the index number of each file
-l use a long listing format
-m fill width with a comma separated list of entries
-n like -l, but list numeric user and group IDs
-o like -l, but do not list group information
-p append / indicator to directories
-r reverse order while sorting
-t sort by modification time, newest first
MARK:
15.27/20