Linux file permission

1	2	3	4	5	6	7	8	9	10
File	User Permissions			Group Permissions			Other Permissions
Type	Read	Write	Execute	Read	Write	Execute	Read	Write	Execute
d	r	w	e	r	w	e	r	w	e

 

chmod   : change file permissions ,

                 eg, chmod 751 myfile,gives user full access, group read and execute permission, and others execute permission.

chown :   change owner.

                eg,  chown wz file1, change the owner of file1 to the user wz.

chgrp : change group

             eg, chgrp wz file1, change the file1 to belong to the group wz.