010-160 Linux Filesystem & File Management 4

Question 1

What does the `touch` command do when used on a file that already exists?

Accepted Answer

Updates the file's access and modification timestamps

Answer

When `touch` is used on an existing file, it updates the access and modification timestamps without changing the file's content.

Question 2

What is the inode in a Linux filesystem?

Accepted Answer

A data structure storing file metadata excluding the filename

Answer

An inode is a data structure that stores file metadata (permissions, owner, timestamps, data block pointers) but not the filename itself.

Question 3

Which `find` command option is used to search by file size?

Accepted Answer

-size

Answer

The `-size` option in `find` allows you to search for files matching a specific size (e.g., `find . -size +1M`).

Question 4

What does `cat file1 file2 > output.txt` do?

Accepted Answer

Concatenates file1 and file2 and writes the result to output.txt

Answer

`cat` concatenates files and `>` redirects the combined output to output.txt, overwriting it.

Question 5

Which file contains a list of all filesystems to be mounted at boot time?

Accepted Answer

/etc/fstab

Answer

/etc/fstab (filesystem table) defines which filesystems are automatically mounted at system boot.

(010-160) LPI Linux Essentials Practice Test