root@talented:/home/deeps/testperms# echo baa > moo
root@talented:/home/deeps/testperms# exit
deeps@talented:~/testperms$ echo meow > moo
-bash: moo: Permission denied
deeps@talented:~/testperms$ ls -lsa
total 20
 4 drwxr-xr-x  2 deeps deeps  4096 Mar 11 11:19 .
12 drwxr-xr-x 23 deeps deeps 12288 Mar 11 11:17 ..
 4 -rw-r--r--  1 root  root      4 Mar 11 11:19 moo
deeps@talented:~/testperms$ vi moo
deeps@talented:~/testperms$ ls -lsa
total 20
 4 drwxr-xr-x  2 deeps deeps  4096 Mar 11 11:20 .
12 drwxr-xr-x 23 deeps deeps 12288 Mar 11 11:20 ..
 4 -rw-r--r--  1 deeps deeps     9 Mar 11 11:20 moo