In this tutorial is described Filesystem Hierarchy Standard (FHS), which specifies required directories. The root directory is "/" and it should contains only the subdirectories.
File | Description |
---|---|
sda | First SCSI drive on the SCSI/SATA bus |
md0 | First group of meta discs (RAID) |
ttyS0 | First serial port |
lp0 | First parallel printer |
null | bin for bits |
random | Deterministic random bits |
urandom | Non deterministic random bits |
File | Description |
---|---|
passwd | Users information |
fstab | Partition and storage mounting information |
rc or rc.d or rcX.d | Run commands - commands that runs when OS starts |
Directory | Description |
---|---|
local | Software installed by admin on local device |
X11R6 | Files of Windows OS |
bin | Almost all commands for users |
sbin | Usually server's programs |
include | Header files for C language |
lib | Stable libraries |
Directory | Description |
---|---|
X11 | Files of Windows OS |
dict | Glossary |
man | Manual pages |
doc | Documentation |
info | Information files |
src | source files |
Contains files that are changed when OS is running.
Subdirectory | Description |
---|---|
log | Logging files |
run | Run-time variable data |
spool | Program using queue (mails, printers) |
Mailbox | |
local | variable data from /usr/local |
lib | Holds dynamic data libraries/files |
lock | Lock files. Indicates that resource (database, file) is in use and should not be accessed by another process. |
Third-party software
Subdirectory | Description |
---|---|
/PID/status | Stats about process |
/PID/cmdline | How was process started and what input arguments |
/PID/maps | Region of contiguous virtual memory in a process or thread |
/PID/environ | Environment of process |
File | Description |
---|---|
cpuinfo | Information about CPU |
meminfo | Usage of memory |
version | Kernel version |
cmdline | Kernel's parameters from boot loader |
devices | List of drivers for kernel |
interrupts | Which interrupts are used and how many times |
ioports | list of currently registered port regions used for input or output communication. |
dma | ISA Direct Memory Access channel |
kcore | image of physical system memory |
cmdline | Kernel's parameters from boot loader |
cmdline | Kernel's parameters from boot loader |
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