Ques:- What is the big difference between /dev/dsk and /dev/rdsk
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Right Answer: The big difference between /dev/dsk and /dev/rdsk is that /dev/dsk refers to block devices, which are used for reading and writing data in blocks, while /dev/rdsk refers to raw devices, which allow direct access to the disk without any buffering or caching.
Right Answer: We use "/" to mount any filesystem because it represents the root directory in Unix-like operating systems, serving as the starting point for the entire filesystem hierarchy.
Ques:- You have a problem installing an older CD-ROM drive on one of your Linux servers. You have checked the HOWTOs and FAQs but have not found your answer. Where could you go to search the newsgroups to look fora solution?Choose one:a. http://www.deja.comb. http://www.news.comc. http://www.linux-help.comd. http://www.lug.com
Ques:- You suspect that you have two commands with the same name as the command is not producing the expected results. What command can you use to determine the location of the command being run?
Ques:- You create a new user by adding the following line to the /etc/passwd filebobm::501:501:Bob Morris:/home/bobm:/bin/bashYou then create the user's home directory and use the passwd command to set his password. However, the user calls you and says that he cannot log on. What is the problem?Choose one:a. The user did not change his password.b. bobm does not have permission to /home/bobm.c. The user did not type his username in all caps.d. You cannot leave the password field blank when creating a new user.
Right Answer: `probe-scsi` detects and lists only the SCSI devices that are currently connected to the system, while `probe-scsi-all` scans for all SCSI devices, including those that may not be currently connected or powered on, and lists them as well.
Ques:- When using useradd to create a new user account, which of the following tasks is not done automatically.Choose one:a. Assign a UID.b. Assign a default shell.c. Create the user's home directory.d. Define the user's home directory.
Ques:- Which of the following commands will show a list of the files in your home directory including hidden files and the contents of all subdirectories?
Ques:- How many cpu's we can connect to a spark machine ?
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Right Answer: The maximum number of CPUs that can be connected to a SPARC machine depends on the specific model, but generally, SPARC servers can support from a few CPUs up to 128 CPUs or more in high-end models.
