INTERVIEW QUESTIONS OPERATING SYSTEMS SOLARIS DETAILS

Question: What is difference between solaris single user mode and multi user mode ?

Answer: Single user mode is the character based mode, we can perform administrator task and all.

In Multiuser mode , runlevel 3 is the default run of that.We can perform all types of system functions.

Single user mode is the character based mode, we can perform administrator task and all.

In Multiuser mode , runlevel 3 is the default run of that.We can perform all types of system functions.
Source: CoolInterview.com

Single User mode: Single user mode is for trouble shooting purpose, in this mode only root user can login to the system.
Multi User Mode: In this mode apart from root user other user can also login to the system and they can access resources and applications of the system. Source: CoolInterview.com

Single user
Solaris OS single-user mode with critical file systems mounted and accessible, Maintenance
Only root user can access.
Multi user
The system is supporting multiuser operations. Multiple users can access the system. All system daemons are running except for the Network File System (NFS) server and some other network resource server related daemons.
Source: CoolInterview.com

In multiuser mode NFS server & client services are available whereas in single user mode, no NFS service is available and only root filesystem is available. Source: CoolInterview.com

Single user mode is the maintenance mode where only systems critical files are mounted. Multiuser mode is running the server with full network services including NFS. Source: CoolInterview.com

Single User Mod or Run Level s or S,
Solaris OS single-user mode with critical file systems mounted and accessible.

Multi User Mode or Run Level 3,
The system is supporting multiuser operations and has NFS
resource sharing and other network resource servers
available.

Main difference between these two level is as follows.

1). Network Services will not work in Single user mode.
2). Network Serviceses will work in Multi user mode.

Thnx...Farhan Source: CoolInterview.com

1. Single usermode ; Is used for Administrative activities.
2, Mukti user mode ; is used for normal operations means running any applications, database etc.
Source: CoolInterview.com

In single user mode , all the system services will not be available such as NFS and other services,moreover only a single user can login at a time, where as in multiuser mode all the services will be available including NFS and multiple users can log in at a time. In single user mode the run level is S where as in multiuser mode the runlevel is 3 Source: CoolInterview.com

In single user mode it is possible to maintin the system or trouble shooting the system. Source: CoolInterview.com

single user mode is an administrative mode . the root user only can login. it is also known as maintenance mode. multiuser mode is default mode in solaris bcoz all services available in this mode. from singleusermode we cannot communicate network machines.but from multiusermode we communicate over the network. Source: CoolInterview.com

In single user, critical file system will be mounted and where as multi user mode we can access nfs and it is default run level. Source: CoolInterview.com

In single user mode we can perform administrative tasks and it is maintenance mode. Multi user mode runs the server with full network and services including nfs Source: CoolInterview.com

Single usermode ; Is used for Administrative activities.
2, Mukti user mode ; is used for normal operations means running any applications, database etc. Source: CoolInterview.com

Single user mode use to perform the administrative task,we can only access the local file system,

Multi usermod is the defult login mode so we can access all local as well as network file file system,


Main difference is that
Network Services will not work in Single user mode.
Network Serviceses will work in Multi user mode.
Source: CoolInterview.com

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