environment variables - What does MANPATH, LD_LIBRARY_PATH mean in Linux? - Ask Ubuntu


what manpath , ld_library_path mean in linux ? uses of these?

  • manpath. see "2.3.2. man pages". manpath path manual pages.

  • ld_library_path. see "3.3.1. ld_library_path".

    in linux, environment variable ld_library_path colon-separated set of directories libraries should searched first, before standard set of directories; useful when debugging new library or using nonstandard library special purposes. environment variable ld_preload lists shared libraries functions override standard set, /etc/ld.so.preload does. these implemented loader /lib/ld-linux.so. should note that, while ld_library_path works on many unix-like systems, doesn't work on all; example, functionality available on hp-ux environment variable shlib_path, , on aix functionality through variable libpath (with same syntax, colon-separated list).


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