Mounting & Filesystems

Question 1

What does mount do?

Answer 1

Attaches a filesystem to a directory.

Question 2

What does umount do?

Answer 2

Detaches a filesystem.

Question 3

What is autofs?

Answer 3

Service for automounting on demand.

Question 4

What is NFS used for?

Answer 4

Linux-to-Linux sharing.

Question 5

What is SMB used for?

Answer 5

Cross-platform sharing.

Question 6

NFS mount syntax?

Answer 6

mount -t nfs server:/path mountpoint

Question 7

SMB mount syntax?

Answer 7

mount -t cifs //<server>/<share> -o user=,pass=</share></server>

Question 8

What does ro do?

Answer 8

Read-only mount.

Question 9

What does rw do?

Answer 9

Read/write mount.

Question 10

What does remount do?

Answer 10

Changes mount options live.

Question 11

What does noatime do?

Answer 11

Disables access time updates.

Question 12

What does nodiratime do?

Answer 12

Disables directory access time updates.

Question 13

What does nodev do?

Answer 13

Disables device file execution.

Question 14

What does nosuid do?

Answer 14

Blocks SUID/SGID privilege escalation.

Question 15

What does noexec do?

Answer 15

Blocks execution of binaries.

Question 16

What does /proc/mounts show?

Answer 16

Real-time mounted filesystems.

Question 17

What does /etc/mtab show?

Answer 17

User-space tracked mounts.

Question 18

What does /etc/fstab define?

Answer 18

Static mount entries.

Question 19

What does mount -a do?

Answer 19

Mounts all fstab filesystems.