Understanding the Filesystem Hierarchy Standard (FHS)

Question 1

What is the root of the system tree?

Answer 1

/ is the root of the system tree

Question 2

branches of the tree are…

Answer 2

the directories

Question 3

What is the FHS?

Answer 3

The FHS is a way for everyone to agree what goes where to make it predictable for users and programs

Question 4

What is the FHS a part of?

Answer 4

the Linux Standard Base (LSB)

Question 5

Where can you find information about the FHS?

Answer 5

Info about FHS can be found at Linux Foundation

Question 6

What does FHS stand for?

Answer 6

Filesystem Hierarchy Standard (FHS)

Question 7

what is a shareable file?

Answer 7

Shareable files are located in an NFS for example and can be accessed by others

Question 8

What is a non-shareable file?

Answer 8

Non-Shareable: these files are local only. Example: files in /etc

Question 9

what is a static file?

Answer 9

Static: these files do not change, and do not need a backup, Example: files in /usr and /etc

Question 10

what is a variable file?

Answer 10

These files can be changed without root privileges, must be backed up regularly. Example: files in /var and /home

Question 11

What does /bin contain?

Answer 11

/bin has binary files

Question 12

What does /boot contain?

Answer 12

/boot for boot files

Question 13

What does /dev contain?

Answer 13

/dev for devices files

Question 14

What does /etc contain?

Answer 14

/etc for config files

Question 15

What does /home contain?

Answer 15

/home for users home

Question 16

what does /lib contain?

Answer 16

/lib library files for user commands

Question 17

what does /lib64 contain?

Answer 17

/lib64 for library files for architecture dependant commands

Question 18

what does /mnt contain?

Answer 18

/mnt for temporary mounts of drives

Question 19

what does /opt contain?

Answer 19

/opt for add-on packages, for use in local system

Question 20

what does /proc contain?

Answer 20

/proc for kernel processes and system info

Question 21

what does /sys contain?

Answer 21

/sys contains kernel, devices and driver info

Question 22

what does /root contain?

Answer 22

/root home dir for the root user

Question 23

what does /sbin contain?

Answer 23

/sbin binaries for root

Question 24

what does /usr contain?

Answer 24

Shareable read-only data

Question 25

what does /var contain?

Answer 25

/var for variable files, logs

Question 26

what does /srv contain?

Answer 26

/srv for data files for services provided to others

Question 27

what does /tmp contain?

Answer 27

/tmp for temp files in directories by process

Question 28

What man page can you consult to see more info about the FHS?

Answer 28

for more info, consult # man hier