Linux File System Navigation 5

Question 1

What happens when you type `cd` with no arguments?

Accepted Answer

Changes to the current user's home directory

Answer

`cd` with no arguments is equivalent to `cd $HOME` and navigates to the user's home directory.

Question 2

Which directory in the Linux FHS contains device files such as `/dev/sda`?

Accepted Answer

/dev

Answer

`/dev` holds device files that represent hardware and virtual devices managed by the kernel.

Question 3

What is the purpose of the `$CDPATH` variable in bash?

Accepted Answer

Defines a colon-separated list of directories searched by `cd`

Answer

When set, `$CDPATH` causes `cd` to search listed directories if the given path isn't found relative to the current location.

Question 4

Which command lists only the names of files in the current directory, one per line, without extra details?

Accepted Answer

ls -1

Answer

`ls -1` (digit one) forces one entry per line, displaying only file names without size or permission details.

Question 5

Where are shared library files typically stored on a 64-bit Linux system?

Accepted Answer

/lib64 or /usr/lib64

Answer

64-bit shared libraries live in `/lib64` or `/usr/lib64`, separate from 32-bit libraries in `/lib` and `/usr/lib`.

Linux Practice Test