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ubuntu:filesystem

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ubuntu:filesystem [2019/11/24 18:36] – peterubuntu:filesystem [2020/07/15 09:30] (current) – external edit 127.0.0.1
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 {{:ubuntu:linux_file_system.jpg?800|}} {{:ubuntu:linux_file_system.jpg?800|}}
  
----- +{{:ubuntu:linux_filesystem.png?800|}}
- +
-===== /bin ===== +
- +
-It contains the binaries, or executables of the various programs installed in your machine.  +
- +
-In many systems, this doesn’t exist as a real directory but serves as a symlink to the **/usr/bin** directory.+
  
 ---- ----
  
-===== /boot =====+[[Ubuntu:Filesystem:File Systems|File Systems]]
  
-All essential files required for the system startup are located here. +[[Ubuntu:Filesystem:File Systems Types|File Systems Types]]
  
-You should not experiment with the contents of this directory unless you know what you’re doing. Else, you might corrupt the system itself and disrupt functionality. +[[Ubuntu:Filesystem:Determine File Systems Type|Determine File Systems Type]]
- +
----- +
- +
-===== /dev ===== +
- +
-The **/dev** directory contains the device files of your system.  +
- +
-These are the file representations of your USB drives, hard-disk drives, Webcam, and so on. +
- +
----- +
- +
-===== /etc ===== +
- +
-Historically, the **/etc** directory was used for keeping various miscellaneous files. Today, however, it is a standard convention to store the system-wide configuration files in this directory.  +
- +
-Information like your username/password, network credentials, mount-point of partitions is stored here. +
- +
----- +
- +
-===== /home ===== +
- +
-This is the personal directory of the each user. +
- +
-It can house multiple sub-directories based on the number of users in your machine.  +
- +
-Say you’re user “peter”, then you’ll be allocated the directory /home/peter.  When logged in, you’ll be presented with the /home/peter directory inside your terminal.  +
- +
-It is also denoted as :~$ in the Bash shell. +
- +
----- +
- +
-===== /lib ===== +
- +
-System libraries are located here.  +
- +
-These are the snippets of code used by your applications to perform some task.  +
- +
-Their example includes code snippets that draw windows or send files. +
- +
----- +
- +
-===== /media ===== +
- +
-This directory is the mount-point of plug and play devices such as external storage.  +
- +
-It is a relatively newer addition to the Linux file system. +
- +
----- +
- +
-===== /mnt ===== +
- +
-The old and grumpy Unix admins used this directory to mount on-demand devices or partitions manually.  +
- +
-Although used infrequently, it remains in the Linux filesystem due to its historical importance. +
- +
----- +
- +
-===== /opt ===== +
- +
-Stands for optional and meant to hold optional system files.  +
- +
-Admins often use it to host third-party applications that they installed from source. +
- +
----- +
- +
-===== /proc ===== +
- +
-It hosts the process files, kernel modules, and similar dynamic data.  +
- +
-You should not interfere with this else you may render your system obsolete. +
- +
----- +
- +
-===== /root ===== +
- +
-Like **/home** but for the superuser of the system.  +
- +
-It is the directory you’ll be presented with when you switch to the root account. +
- +
- +
-===== /run ===== +
- +
-This is used for holding temporary data used by Linux system processes.  +
- +
-<WRAP alert> +
-Don’t mess here unless you know what you’re up for. +
-</WRAP> +
- +
- +
----- +
- +
-===== /sbin ===== +
- +
-Like **/bin** but holds only system essential binaries.  +
- +
-Various everyday used utilities like ls, cd, cp, etc are located here.  +
- +
-<WRAP alert> +
-Do not manipulate them. +
-</WRAP> +
- +
----- +
- +
-===== /usr ===== +
- +
-A ‘use it for all kind’ location where various information is stored.  +
- +
-They can include binaries, libraries, icons, manuals, and so on. +
- +
----- +
- +
-===== /srv ===== +
- +
-The server directory. +
- +
-It contains the source files of web apps and houses other communication protocols. +
- +
----- +
- +
-===== /sys ===== +
- +
-Another virtual directory, such as **/dev**.  +
- +
-It contains sensitive information and shouldn’t be experimented unless the user knows what he’s up to. +
- +
----- +
- +
-===== /tmp ===== +
- +
-It is used for holding temporary values that will be deleted during system reboot. +
- +
----- +
- +
-===== /var ===== +
- +
-The original purpose of this directory was to host all variable files. +
- +
-Nowadays, it contains several sub-directories for storing things like logs, caches, and such. +
- +
----- +
- +
-There might be some additional directories in your root. It is usually subject to the specific Linux distribution and can vary across systems. +
- +
-----+
  
-[[Filesystem:Increase the size of an ext2, ext3 or ext4 filesystem|Increase the size of an ext2, ext3 or ext4 filesystem]]+[[Ubuntu:Filesystem:Increase the size of an ext2, ext3 or ext4 filesystem|Increase the size of an ext2, ext3 or ext4 filesystem]]
  
-[[Filesystem:Reduce the size of an ext2, ext3 or ext4 filesystem|Reduce the size of an ext2, ext3 or ext4 filesystem]]+[[Ubuntu:Filesystem:Reduce the size of an ext2, ext3 or ext4 filesystem|Reduce the size of an ext2, ext3 or ext4 filesystem]]
  
-[[Filesystem:Reduce the space reserved for root on an ext2, ext3 or ext4 filesystem|Reduce the space reserved for root on an ext2, ext3 or ext4 filesystem]]+[[Ubuntu:Filesystem:Reduce the space reserved for root on an ext2, ext3 or ext4 filesystem|Reduce the space reserved for root on an ext2, ext3 or ext4 filesystem]]
  
ubuntu/filesystem.1574620593.txt.gz · Last modified: 2020/07/15 09:30 (external edit)
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