1.Which OSI model layer is responsible for providing the interface between the user and the system?
2.Which command in the vi editor allows you to search for a pattern moving forward through the text?
3.What methods can be used to create a new user named Amit on your system?
4.In mail command, which internal command is utilized to forward a message to the users in a user-list?
5.In the vi editor, which command allows you to save the current file without exiting the editor?
6.In the vi editor, which command allows you to add text at the end of the current line?
7.Which command is commonly used to copy entire directory trees to and from different locations?
8.Which command lists filenames arranged in several columns on the terminal?
9.What does the octal permission code 652 signify?
10.Which shell was the first and remains the most commonly used shell included with the UNIX operating system?
11.Which command should be applied to the file named 'note' to revoke the user's execute permission while granting read access to both group and others?
12.Which command is utilized to create links between files?
13.Which command is used to delete files from the user system that have not been accessed or modified in over a year, prompting the user for confirmation before removal?
14.What is the function of the [line number G] command?
15.In the vi editor, which option should be set to perform case-insensitive searches for patterns?
16.Which command allows you to both display the output of the who command on the screen and save it simultaneously into a file called user.lst?
17.Which command correctly copies the file named 'wb' from the 'programs' folder to a file named 'wbx' in the 'misc' folder?
18.Which command lets you display a file in increments of 24 lines per screen?
19.In the mail command interface, which command allows you to store an email message into a different file?
20.Which file holds the instructions that are executed automatically when a user logs into the system?