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LFCS · Question #870
LFCS Question #870: Real Exam Question with Answer & Explanation
The correct answer is C: find. The find command can be used to recursively search for files, including executables, in specified directories, irrespective of the $PATH environment variable.
Submitted by valeria.br· Apr 18, 2026Essential Commands
Question
Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?
Options
- Aapropos
- Bwhich
- Cfind
- Dquery
- Ewhereis
Explanation
The find command can be used to recursively search for files, including executables, in specified directories, irrespective of the $PATH environment variable.
Common mistakes.
- A.
apropossearches the man page database for keywords, not the filesystem for executable files. - B.
whichspecifically searches for executable commands only within the directories listed in the user's$PATHenvironment variable. - D.
queryis not a standard Linux command for searching for files on the filesystem. - E.
whereislocates source, binary, and man page files for a command, primarily by searching standard system locations, not arbitrary directories outside$PATH.
Concept tested. File searching utilities
Reference. https://man7.org/linux/man-pages/man1/find.1.html
Topics
#File search#`find` command#Filesystem navigation#Executable files
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