Questions

1. Which of the following is true?
   1. /proc is just like any other directory in the Linux filesystem.
   2. /proc is the only pseudo-filesystem in Linux.
   3. /proc is one of several pseudo-filesystems in Linux.
   4. You can set values for /proc parameters with the systemctl command.
2. Which of the following commands would you use to set a value for a /proc parameter?
   1. sudo systemctl -w
   2. sudo sysctl -w
   3. sudo procctl -w
   4. sudo sysctl -o
   5. sudo systemctl -o
3. You need a program executable to run with one specific root privilege, without having to grant any root privileges to the person who will be running it. What would you do?
   1. Add a namespace.
   2. Create a SECCOMP profile.
   3. Add the SUID permission.
   4. Add a kernel capability.
4. Where would you find information about user processes?
   1. In the numbered subdirectories...