lsattr practice session . II

The following shows a command line session with lsattr 
command which helps in listing file attributes.
$lsattr 
-------------e-- ./A.txt
-------------e-- ./beautyastudyin00rothuoft.pdf
-------------e-- ./trueprint-5.4.tar.gz.sig
-------------e-- ./sample
-------------e-- ./scsh-common-0.6_0.6.7-8_all.deb
-------------e-- ./photos
-------------e-- ./beautifulwork-sorting
-------------e-- ./Templates
-------------e-- ./apache2_2.4.7-1_amd64.deb
-------------e-- ./Pictures
-------------e-- ./a.out
-------------e-- ./sent
-------------e-- ./Videos
-------------e-- ./functions.txt~
-------------e-- ./Desktop
-------------e-- ./books
-------------e-- ./myapp.rb
-------------e-- ./tmp
-------------e-- ./ethstatus_0.4.3.dsc
-------------e-- ./test.png
-------------e-- ./1
-------------e-- ./lsattr1.txt
-------------e-- ./physical.computing
-------------e-- ./rubyhw.rb
-------------e-- ./mysqlbackup
-------------e-- ./gsl
-------------e-- ./new.sass
-------------e-- ./trueangle.org
-------------e-- ./iso
-------------e-- ./#tmps#
-------------e-- ./wp-config.php
-------------e-- ./resume-micro
-------------e-- ./mathematics
-------------e-- ./source
-------------e-- ./resume-related.txt~
-------------e-- ./beautifulwork
-------------e-- ./#temp#
-------------e-- ./dap-3.8.tar.gz.sig
-------------e-- ./DMD
-------------e-- ./oo~
-------------e-- ./trueangle
-------------e-- ./dap-3.9
-------------e-- ./functions.txt
----------I--e-- ./Downloads
-------------e-- ./test.html
----------I--e-- ./National Geogrpahic compiled photos
-------------e-- ./playground
-------------e-- ./dap-3.7.tar.gz.sig
-------------e-- ./Mail
-------------e-- ./new.css
-------------e-- ./join.png
-------------e-- ./#workrecord.txt#
-------------e-- ./debian-binary
-------------e-- ./study.png
-------------e-- ./test.synctex.gz
-------------e-- ./processing
-------------e-- ./wallphotos-old
-------------e-- ./perl-new.txt
-------------e-- ./r8169
-------------e-- ./wallphotos
-------------e-- ./xf86-video-radeonhd
-------------e-- ./scsh-0.6_0.6.7-8_i386.deb
-------------e-- ./bw-wordpress
-------------e-- ./beautifulwork-ethstatus
-------------e-- ./work.png
-------------e-- ./bw-theme
-------------e-- ./beautifulwork.org-git
-------------e-- ./apache
-------------e-- ./Public
-------------e-- ./colors
-------------e-- ./ruby-related-bubblesort-related
-------------e-- ./test.aux
-------------e-- ./linux
-------------e-- ./resume-related.txt
-------------e-- ./ethstatus_0.4.3.tar.gz
-------------e-- ./testanother.html
-------------e-- ./data.tar.xz
-------------e-- ./sdata
-------------e-- ./dap-3.9.tar.gz
-------------e-- ./beautifulwork-temp
-------------e-- ./scsh_0.6.6.3_all.deb
-------------e-- ./physics
-------------e-- ./sshot.png
-------------e-- ./control.tar.gz
-------------e-- ./test.pdf
-------------e-- ./viva_jaago_zara.mp3
-------------e-- ./test.tex
-------------e-- ./Music
-------------e-- ./Documents
-------------e-- ./tem
-------------e-- ./temp
-------------e-- ./languagelearning
-------------e-- ./test.log
-------------e-- ./a.txt
-------------e-- ./filename
-------------e-- ./ahiliation.github.io
-------------e-- ./solutions
-------------e-- ./search.txt
-------------e-- ./dap-3.0.tar.gz.sig
-------------e-- ./dap
-------------e-- ./publish.png
-------------e-- ./dot-emacs
-------------e-- ./#mission#
-------------e-- ./test.html~
$

The 'e' attribute indicates that the file is using extents for mapping the blocks on  disk.  It  may not be removed using chattr.