Links, FHS and Search Flashcards
What command would you use to create a hard link for a file?
ln filename linkfilename
Does the hardlink create an a identical document with a different inode or the same inode?
The hard link will have the same inode as the original file
What command would you use to create a Symbolic Link
ln -s
ln -s filename newfilename
Does the Symbolic Link create a link with the same inode as the original file.
It creates a link that has a different inode
If the original file is moved what happens to the symbolic link?
It breaks, called a dangling symbolic link
Will change to the original file also be made is a symbolic link and hardline?
yes
Top level root directory
/
Temporary files, writable by all users
tmp
Binary (program files) needed to boot the system.
bin
System binaries needed to boot the system. Used by root user.
sbin
Files used to boot the system. Location of kernel files.
boot
Device files that represent hardware
dev
Configuration files
etc
Holds home directories for all users except the root user.
home
Home directory for the root user
root
System libraries (like dll files)
lib
Virtual filesystem that holds information on running processes.
proc
___ and its subdirectories hold most system files and programs. System must not normally write into this hierarchy.
usr
Binaries (programs) that are not needed to boot the system.
/usr/bin and /usr/sbin
Area for local additions to the system files.
/usr/local
Writable area used for data files, spools, caches and other types of changing data.
var
System log directory
/var/log
Abbreviation: lib
Library files. Used as shared code by programs (like dll files in Windows)
Abbreviation: rc
Run commands. Some type of startup file.
Abbreviation: bin
Binary program files.
Abbreviation: spool
A directory of files waiting to be processed.
Abbreviation: cache
A directory of files saved to speed up time consuming processes
Abbreviation: include
Standard code included into other programs
Abbreviation: man
Manual files.
Abbreviation: lock
Lock files used to coordinate access to shared resources.
What type of system is linux?
A unified system
What does the find command search for?
It searches for meta data for files
What does the grep command search for?
It searches for the contents of a file
What are some options to use with find?
- name looks for name of a file or folder
- type looks for the type of file or folder
- size looks for a specified size of file or folder
- mtime specifies frame in which so search for file or folders
