exec-path

exec-path is a variable defined in `C source code'.
Its value is

("/home/artur/.gem/ruby/2.1.0/bin" "/home/artur/bin" "/home/artur/bin/yum-root/usr/bin/" "/home/artur/bin/yum-root/usr/local/bin/" "/home/artur/bin/yum-root/bin/" "/home/artur/.gem/ruby/2.1.0/bin" "/home/artur/bin" "/home/artur/bin/yum-root/usr/bin/" "/home/artur/bin/yum-root/usr/local/bin/" "/home/artur/bin/yum-root/bin/" "/usr/local/sbin" "/usr/local/bin" "/usr/bin" "/usr/bin/site_perl" "/usr/bin/vendor_perl" "/usr/bin/core_perl" "/usr/local/libexec/emacs/25.0.50/x86_64-unknown-linux-gnu")

Original value was

("/home/artur/.gem/ruby/2.1.0/bin" "/home/artur/bin" "/home/artur/bin/yum-root/usr/bin/" "/home/artur/bin/yum-root/usr/local/bin/" "/home/artur/bin/yum-root/bin/" "/usr/local/sbin" "/usr/local/bin" "/usr/bin" "/usr/bin/site_perl" "/usr/bin/vendor_perl" "/usr/bin/core_perl" "/home/artur/Git-Projects/emacs/lib-src" "/usr/local/libexec/emacs/25.0.50/x86_64-unknown-linux-gnu")

• This variable may be risky if used as a file-local variable.

Documentation:
List of directories to search programs to run in subprocesses.
Each element is a string (directory name) or nil (try default directory).

By default the last element of this list is `exec-directory'. The
last element is not always used, for example in shell completion
(`shell-dynamic-complete-command').

You can customize this variable.