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The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory. [1] The use of a hard link allows multiple filenames to be associated with the same file since a hard link points to the inode of a given file, the data of which is stored on disk .
When the ln -s flag is specified, the symlink() system call is used instead, creating a symbolic link. Symlinks were introduced in 1982 in 4.1a BSD Unix from U.C. Berkeley. [8] The following command creates a symbolic link at the command-line interface (shell): ln -s target_path link_path
ln: Filesystem Mandatory Link files Version 1 AT&T UNIX locale: Misc Mandatory Get locale-specific information localedef: Misc Mandatory Define locale environment logger: Shell programming Mandatory Log messages 4.3BSD logname: Misc Mandatory Return the user's login name 4.4BSD lp: Text processing Mandatory Send files to a printer System V ls ...
Linux distributions are frequently used in server platforms. [28] [29] Other than the Linux kernel, key components that make up a distribution may include a display server (windowing system), a package manager, a bootloader and a Unix shell. Linux is one of the most prominent examples of free and open-source software collaboration.
Arch Linux (/ ɑːr tʃ /) [7] [8] [g] is an open source, rolling release Linux distribution. Arch Linux is kept up-to-date by regularly updating the individual pieces of software that it comprises. [9] Arch Linux is intentionally minimal, and is meant to be configured by the user during installation so they may add only what they require. [10]
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IPVS (IP Virtual Server) implements transport-layer load balancing, usually called Layer 4 LAN switching, as part of the Linux kernel. It's configured via the user-space utility ipvsadm(8) tool. IPVS is incorporated into the Linux Virtual Server (LVS), where it runs on a host and acts as a load balancer in front of a cluster of real servers.
From January 2008 to December 2012, if you bought shares in companies when Claes Dahlbäck joined the board, and sold them when he left, you would have a -40.6 percent return on your investment, compared to a -2.8 percent return from the S&P 500.