CompTIA
LX0-103 · Question #145
LX0-103 Question #145: Real Exam Question with Answer & Explanation
The correct answer is A: Idconfig. ldconfig updates /etc/ld.so.cache so the dynamic linker can locate newly installed shared libraries at runtime.
Question
Which system administration command you can use to update Id.so.cache after the installation of new shared libraries?
Options
- AIdconfig
- BIdd
- Clibpath
- Dnewlibs
Explanation
ldconfig updates /etc/ld.so.cache so the dynamic linker can locate newly installed shared libraries at runtime.
Common mistakes.
- B. ldd prints the shared object dependencies of an existing executable but does not modify or regenerate the dynamic linker cache.
- C. libpath is not a standard Linux command and plays no role in shared library cache management.
- D. newlibs is not a valid Linux system administration command and does not exist in standard Linux distributions.
Concept tested. Updating shared library cache with ldconfig
Reference. https://man7.org/linux/man-pages/man8/ldconfig.8.html
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