What is the purpose of each of the default pre-installed directories in a Unix/Linux filesystem?
There are several default pre-installed directories in a Unix/Linux filesystem, each serving a specific purpose. Let's explore the functions of each directory:
/bin
/bin: This directory contains essential command binaries that are required for the system to function properly.
/boot
/boot: The /boot directory holds files that are needed during the boot process to start the system.
/dev
/dev: This directory contains device files that represent hardware devices connected to the system.
/etc
/etc: The /etc directory stores system-wide configuration files that are required for various programs and services on the system.
/home
/home: Users' personal directories are stored in the /home directory, allowing each user to have their own space for files and settings.
/lib
/lib: Essential library files that support the binaries in /bin and /sbin are located in the /lib directory.
/media
/media: This directory serves as mount points for removable media such as USB flash drives and external hard drives.
/mnt
/mnt: The /mnt directory is used for temporarily mounting filesystems or network resources.
/opt
/opt: Optional software applications can be installed in the /opt directory.
/proc
/proc: This virtual filesystem provides information about running processes and kernel data.
/root
/root: The /root directory is the home directory for the root user, the superuser with administrative privileges.
/sbin
/sbin: System binaries that are essential for system administration tasks are stored in the /sbin directory.
/sys
/sys: Another virtual filesystem, /sys, provides detailed information about devices, drivers, and kernel features.
/tmp
/tmp: Temporary files that are needed by programs and services are stored in the /tmp directory.
/usr
/usr: The /usr directory contains user binaries, libraries, documentation, and other resources related to user applications.
/var
/var: The /var directory hosts variable data files such as logs, databases, and email messages that are expected to change in size during normal system operation.
Each of these pre-installed directories plays a crucial role in the overall functioning of a Unix/Linux system, organizing various types of data and providing spaces for essential system components and user-related resources.