What is var Linux?

/var is a standard subdirectory of the root directory in Linux and other Unix-like operating systems that contains files to which the system writes data during the course of its operation.

What is var local for?

/var/local Variable data for programs that are installed in /usr/local (i.e., programs that have been installed by the system administrator). Note that even locally installed programs should use the other /var directories if they are appropriate, e.g., /var/lock.

What is var opt Linux?

Variable data of the packages in /opt must be installed in /var/opt/ , where is the name of the subtree in /opt where the static data from an add-on software package is stored, except where superseded by another file in /etc .

Can I delete var folder in Linux?

Yes, don’t delete /var/cache/apt/archives dir, but you can delete files: /var/cache/apt/pkgcache. bin and /var/cache/apt/srcpkgcache. bin, but them will be recreated by « apt-get update ». On Debian, /var/cache/bind contains zone files transferred from other nameservers—it shouldn’t contain master zones.

What is var run used for?

A new TMPFS-mounted file system, /var/run , is the repository for temporary system files that are not needed across system reboots in this Solaris release and future releases. The /tmp directory continues to be repository for non-system temporary files.

Can I delete var spool?

Thank you! You can purge it, emails that are outbound and have not been sent yet will be stored in /var/spool/mqueue.

What should go in var?

Lock files should be stored within the /var/lock directory structure. Lock files for devices and other resources shared by multiple applications, such as the serial device lock files that were originally found in either /usr/spool/locks or /usr/spool/uucp, must now be stored in /var/lock.

What is the purpose of OPT?

OPT allows international students who are studying at or have graduated from U.S. universities and colleges to remain in their F-1 student status and be authorized to work for a U.S. employer in their field of study.

Can I delete var lib?

/var/lib is usually used to store the state of the system. So, for example, if you have namenode running on a machine, the metadata for the namenode is written in that directory. Formatting the namenode will clean out a subdirectory of /var/lib, so in general, it’s not a good idea to delete those files.

What happens if I delete var?

/Var is a System Folder, what means, if you delete this, OS will try to recreate and populate it. Unless you have a critical, primordial reason to do so, do not do it.

Where is the Var folder in Linux?

• /var is a standard subdirectory of the root directory in Linux and other Unix-like operating systems that contains files to which the system writes data during the course of its operation. The root directory is the directory that contains all other directories and files on a system and which is designated by a forward slash ( / ).

What Linux systems are available?

• 1) Ubuntu. You must have heard about Ubuntu — no matter what. … 2) Linux Mint. Linux Mint is arguably the best Ubuntu-based Linux distribution suitable for beginners. … 3) Zorin OS. Zorin OS is yet another impressive Linux distribution that offers a similar user interface to Windows. 4) Elementary OS. … 5) Linux Lite. … 6) Manjaro Linux. … 7) Pop!_OS. … 8) Peppermint OS. … 9) Deepin. …

What operating system does Linux use?

• Linux is an open source, free to use operating system widely used for computer hardware and software, game development, tablet PCS, mainframes etc. Unix is an operating system commonly used in internet servers, workstations and PCs by Solaris, Intel, HP etc.

What are the best free operating systems?

• Korora
• Cub Linux:[Discontinued]
• Ubuntu
• Elementary OS
• Antergos
• Manjaro
• Zorin OS
• Android OS for PC
• Chrome OS for PC
• Solus