Unix Assignment

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Across
  1. 3. used to add a loadable kernel module to the Linux kernel or to remove a loadable kernel module from the kernel.
  2. 6. This command changes the apparent root directory for the current running process and its children.
  3. 7. is used by a computer user to execute commands with the privileges of another user account.
Down
  1. 1. is a C library function used to parse command-line options of the Unix/POSIX style. It is a part of the POSIX specification.
  2. 2. is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input.
  3. 4. It is used to either print a list of environment variables or run another utility in an altered environment without having to modify the currently existing environment.
  4. 5. This command attaches the filesystem of an external device to the filesystem of a system.