1.Which command is utilized to create links between files?
2.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?
3.What is the function of the [line number G] command?
4.In the vi editor, which option should be set to perform case-insensitive searches for patterns?
5.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?
6.Which command correctly copies the file named 'wb' from the 'programs' folder to a file named 'wbx' in the 'misc' folder?
7.Which command lets you display a file in increments of 24 lines per screen?
8.In the mail command interface, which command allows you to store an email message into a different file?
9.Which file holds the instructions that are executed automatically when a user logs into the system?
10.Which command allows you to view the last part of a file?
11.Which command broadcasts a message to every user currently logged into the system?
12.Which command arranges the lines in a file in alphabetical sequence?
13.What is the interface called that acts as a mediator between the user and the UNIX operating system?
14.When executing the command cat *ch*, which files will be shown?
15.Which command sets full permissions for the owner, read and write access for the group, and execute-only rights for others on the file named 'note'?
16.Which command allows you to view the beginning portion of a file?
17.Which flag enables the chmod command to apply changes recursively to all files and subfolders within a directory?
18.Which command modifies the file named 'letter' by removing the executable permission from the user while granting read permission to the group and others?
19.Once you have successfully compiled your kernel, which file must be modified to enable booting from the new kernel image?
20.Which toolkit serves as the foundation for GNOME?