Page 39 - RHEL8 BOOK

PERMISSIONS
 In computing, a permissions are used to create secure environment in the network to secure the data
an against from unauthorized users.
 In Linux platforms permission are secured by the default mechanism called Umask
 Permissions are mainly use in sharing data environment which can be implement in Linux by using
some servers like Nfs and Samba.

 File and Directory Attributes

In Linux / Unix the file has 8 attributes (Properties). With ls -ld command we can see the file
attributes.

[root@sun ~] ls -ld file1
Attributes
- rw-r--r-- 1 root root 1229 Jan 29 17:44 anacondaks.cfg

B
c File Permission

Group
Type

Owner File Name
Links Size (Bytes)

Access Modification Date & Time
Permissions

Note: - Only the owner or the root can change the permissions

ACCESS PERMISSION

- rwx rwx rwx

Access Permission

Owner Group Others

Type
- files
d directories
l links

S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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