Tree command in Linux Brief Explaination

Tree command is used to recursively check the number of files in folder.

tree - list contents of directories in a tree-like format

Tree is a recursive directory listing program that produces a depth indented listing of files. With no arguments, tree lists the files in the current directory.  When directory arguments are given, tree lists all the files and/or directories found in the given directories each in turn.  Upon completion of  listing all files/directories found, tree returns the total number of files and/or directories listed.

[root@testserver nsk]# tree -iLf 1 /home/nsk/
/home/nsk/
/home/nsk//audit.txt
/home/nsk//audit1.txt
/home/nsk//auditprod.txt
/home/nsk//auditprod1.txt
/home/nsk//dom
/home/nsk//ser.txt
/home/nsk//serv.txt
/home/nsk//serv1.txt
/home/nsk//server.txt
/home/nsk//umount
/home/nsk//umount-ser
/home/nsk//umount-ser1

0 directories, 12 files

Where:
    -i   Makes tree not print the indentation lines, useful when used in conjunction with the -f option.
    -L level Max display depth of the directory tree.