Tutorials On Linux, Unix & Open Source
Linux Commands section is for learning the linux commands with examples.We will include basic to advance commands which is generally required for system administration task.
In this tutorial we will learn about useful tail command with examples in Linux/Unix which will help you in linux and Unix system administration. Question: What the tail command do Answer: tail command helps to get output from last part of file. Question: When we generally use the tail command. Answer: => tail command is … Read more
Force linux user to change password upon login In this tutorial we will learn how to force linux user to change the password upon login. There are two commands through which we can force user to change password upon first login or login.You can use any of the either command. Note: Login as root to … Read more
In this post we will learn about how to lock and unlock user account in linux.With the help of two commands you can lock and unlock the user account in linux.We will also know, how to find the user account has lock and unlock status. To Lock the user account in Linux,use the given below … Read more
Command to create and delete group in Red Hat and CentOS linux Question: How to create and delete the group in Linux (Red Hat or CentOS) by using command line Answer: To create and delete the group in linux,follow the given below steps. To create new group ,use given below command Syntax: groupadd groupname Example … Read more
In this tutorial we will learn to give group ownership reference to file/dir from other file/dir in linux. Here we will take ownership and group reference from source file or directory and apply same ownership and group to target directory. Syntax: chown –reference source-file-dir target-file-dir example: chown –reference testfile sharad_testfile See the given below screenshot … Read more
In this post we will learn to give permission reference to file/dir from other file/dir in linux. For example you have any file and directory and you want to give permission exactly same to other file and directory. Use the given below syntax: chmod –reference source-file-dir to target-file-dir eg. chmod –reference testfile sharad_testfile for more … Read more