This file is indexed.

/usr/share/doc-base/gdb is in gdb-doc 7.11-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
Document: gdb
Title: Debugging with GDB
Abstract: This manual describes GDB, the GNU symbolic debugger.
Section: Programming

Format: Info
Index: /usr/share/info/gdb.info.gz
Files: /usr/share/info/gdb.info*

Format: HTML
Index: /usr/share/doc/gdb-doc/html/gdb/index.html
Files: /usr/share/doc/gdb-doc/html/gdb/*.html

Format: PDF
Files: /usr/share/doc/gdb-doc/pdf/gdb.pdf.gz