What is a sticky Bit and how to set it in Linux?

This is next to SGID in our ongoing File and Folder permissions in Linux. We already discussed about CHMOD, UMASK, CHOWN, CHGRP SGID and SUID File and folder permissions etc in our previous posts. In this post we will see

What is Sticky Bit?

Why we require Sticky Bit?

Where we are going to implement Sticky Bit?

How … Continue Reading

What is SGID and how to set SGID in Linux/Unix?

This is next to SUID in our ongoing File and Folder permissions in Linux. We already discussed about CHMOD, UMASK, CHOWN, CHGRP and SUID File and folder permissions etc in our previous posts. In this post we will see

What is SGID?

Why we require SGID?

Where we are going to implement SGID?

How to implement SGID in Linux?

What is SGID?… Continue Reading

What is SUID and how to set SUID in Linux/Unix?

There are some other special permission apart from the normal file permissions read, write and execute. They are SUID, SGID, Sticky Bit, ACL’s and SELinux etc for granular file/folder management by administrator. In this post we will see

1)What’s SUID?
2)How to set SUID?
3)Where to us SUID?

What is SUID and how to set it in Linux?

SUID (Set owner User … Continue Reading

CHGRP(CHange GRouP) is one more command which is useful to change group associated to a file/folder from one group to other in a Linux box. This is sister command to chown which is used to change owner of the file/folder as well as group name associated with that file.

chgrp command syntax:

 chgrp options groupname file/foldername

Learn chgrp with examples:

Example1: Change group name:sales of a file to other group name:hrgroup.… Continue Reading

This is our second post in “Linux Files and folders” Series and first one is about chmod command in detail. chown is a command to change the ownership of a file/folder or even multiple files/folders at a time to a specified user/group. CHOWN stands for CHange file OWNer and Group.

CHOWN syntax

you can use man command to get full details about chown command.

$man chown

$chown options user:group file/folder

In this … Continue Reading

In our previous post we written about dot at the end of permissions this is one more special permissions where you will find + at the end of permissions field in ls -l command output.

This is actually a small post, which is asked by one of the requester. This is a special permission in Linux which inidicates that ACL(Access Control List) is implemented on that file/folder. Some times you will be seeing +(Plus) at … Continue Reading