Linux bash ls command does not list latest directories

Linux bash ls command does not list latest directories

References

Reference NO 1

http://stackoverflow.com/questions/15204616/linux-bash-ls-command-does-not-list-latest-directories

Reference NO 2

http://linux.about.com/od/commands/l/blcmdl1_ls.htm

Reference NO 3

http://www.linuxquestions.org/questions/linux-newbie-8/ls-to-view-directories-only-156254/

Reference NO 4

http://superuser.com/questions/344877/ls-d-is-not-displaying-directories-is-there-a-way-to-get-ls-to-only-display-di

Reference NO 5

http://unix.stackexchange.com/questions/66834/ls-command-does-not-list-latest-directory-contents

Reference NO 6

http://www.unixcl.com/2008/12/list-only-file-and-not-directory-ls.html

Reference NO 7

http://tldp.org/LDP/abs/html/moreadv.html

Reference NO 8

http://www.cyberciti.biz/faq/linux-ls-command-sort-by-file-size/