Network functionality in UNIX must be installed separately from the actual operating system.
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Network functionality in UNIX must be installed separately from the actual operating system.
Unix Debian System Create a script with the following functionality: a. (3 points) The script takes a list of users from standard in. Note: this implies the script will be executed as follows: cat /root/users | ./script.bash and the file that contains a list of users is a list with a one user per line b. (3 points) Before removing each user, you need to ensure the user exists (hint: use this $(cat /etc/password | egrep “^$username”) and see if...
What are the key features of file management in the UNIX operating system? Discuss the challenges you have faced in attempting to install and configure UNIX. Explain how the designers of the Windows operating system had to incorporate a set of five software design goals; extensibility, portability, reliability, compatibility, and performance. Discuss the role of the I/O Manager. Discuss how Kerberos security provides effective distributed security. What is the difference between device management in the Windows operating systems and MS-DOS?...
To receive maximum power on the load from a network the dc operating efficiency of a system must be 50% True Or False?
Operating System: In a combined UNIX UFS file system, with single, double and triple indirect pointers, answer the following: a) what is the maximum possible size of a file? Assume that a pointer takes 4 bytes and that blocks are 128 bytes long. b) In a file of maximum size, what is the ratio of storage in bytes consumed by all the pointers and pointer blocks to the maximum file size in bytes? Operating System: In a combined UNIX UFS...
write the commands to print out ones entry in /etc/passwd file in unix operating system.
-Microsoft Windows is derived from the UNIX operating system. True False -A single bit can hold values from 0 to 255. True False -Secondary storage is evaluated only on the base of speed and capacity. True False -OR conditions are used to narrow the search within a database. True False - To retrieve data that are within a given range SQL uses BETWEEN operator. True False - For the LIKE command the SQL standard states that a percent sign will match...
Q1) A particular implementation of UNIX operating system provides the file structure modelled in the Figure 1. Here the i-node for the file contains certain information such as the access permissions for the file. This is followed by the entries that contain information about where the file is located on the storage device. The first 10 entries are the addresses of blocks where actual data for the file are stored. If block can contain 512 bytes of information, then these...
A new operating system is installed in every workstation at a large company. The claim of the operating system manufacturer is that the time to shut down and turn on the machine will be much faster. To test it an employee selects 32 machines and tests the combined shut down and restart time of each machine before and after the new operating system has been installed. The mean of the differences (beforeminus− after) is 22.9 seconds with a standard deviation...
Folders are created on the hard drive when operating system and applications are installed and these folders are also called as Select one: O a. Properties b. Drives O c Directories O d. Files
Hello Experts, I need help with the following Operating System(Unix) question. Using node js as a shell and using a Linux system please answer as briefly as possible with example if needed. will UPVOTE!! Q: When ssh runs commands on remote systems, does ssh directly execve the executable, or does it first call a shell which then runs the specified program? How can you verify this behavior?