Regarding Linux and Unix

Show your current working directory.

Use an absolute path to change to the /etc/pki/tls/ directory

Now that you're in /etc/pki/tls/, use a relative path to change to the /etc/yum.repos.d/ directory.

List the contents of your current directory, showing file sizes, permissions, and timestamps.

List the contents of your home directory without changing to it. Include hidden files and use the appropriate shortcut character to represent your home directory.

You should still be in the /etc/yum.repos.d/ directory. Use a relative path to list the contents of the /var/spool/ directory, without changing to it.

Use an absolute path to list the size of the kernel image file in "human readable" format.

Use the `echo` command to display to the contents of the $TERM shell variable.

Use the `echo` command to display the literal string "$TERM".

Use a shell wildcard to list just the items in the /var/log/ directory having a ".log" extension in long format and sorted by file size.

Use a shell wildcard to list just the items in the /var/log/ directory starting with "boot" in long format and sorted by modification time in reverse order (oldest first).

Use a shell wildcard to list items in /bin with "un" anywhere in the file name.