How does the Solaris operating system boot?
The boot procedure of the operating system can be divided into four categories namely:
- Post
- Obprom
- Init phases
- Kernel initialization
What to use to use ‘top’ command on Solaris operating system?
An alternative to the ‘top' command is to use it while working on the above mentioning operating system.
What do you understand by Solaris?
It is a UNIX based operating system which supports workstations and server operating from Sun. It can also be regarded as a recognized operating system that is widely used. Further, it is available from server vendors and also known as the successor of sun operating system.
How many RAID levels are present in this operating system?
RAID stands for Redundant Array of Inexpensive or Independent Disks. It has six levels as RAID Level 0 – RAID Level 6.
Do you have any idea about run levels in the Solaris operating system?
There are mainly eight-run levels in this operating system, and they are as follows:
- 0 – it is used during power downstate
- s or S – for a single user
- 1 – the administrative state
- 2 – Multi-user state
- 3 –multi-use with NFS state
- 4 – alternative multi-user
- 5 – power down
- 6 – Reboot state
How can you end any process in this operating system?
Whether you are a superuser or root user, you should know how to terminate the process of another user on the operating system. In addition, to terminate any process, you also need to obtain PID of the process.
The syntax used is ‘$ps –fu.’ For instance, $ps –fu abc
abc 325 322 3 Jan 12 ? 11:04 /usr/openwin/bin/sun
In order to end the process with the help of ‘end’ command
$ kill pid
Default signal number is -15 {SIGKILL}
-9 {SIGTERM}
In this operating system, can you explain the difference between dsk and rdsk?
DSK is a block-level device. FS which is formatted is known as a block device. Rdsk is a raw-level device in this operating system.
How can you find reserve space of disk?
# fstyp –v /dev/rdsk/c1d0s0 | grep minfree
minfree 6%
Do you know how to reduce reserved disk space while working on this operating system?
Yes, the reserved space can be reduced to 2% using ‘# tunefs –m 2 /dev/rdsk/c1d0s0.’
What do you understand by NFS daemons?
In order to support NFS activities, the NFS daemons are available in various types and they are as follows:
1. Automount – It helps in mounting and unmounting requests with the help of autofs service.
2. Mounted – It takes care of mount requests and gives information regarding mounting nfs activities.
3. Locked – It helps file locking both for nfs server and clients.
4. Nfsd – It helps in file exporting within the operating system and access files from remote clients, and it is used in run level 3.
5. Nfslogd – With the help of this, the daemons help in providing logging information.
6. Nfsmapid – It gives information pertaining to User identification or any group identification for representation.
7. Statd – It helps to give recovery and crash data while working on this operating system.
