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?
A.
whereis
B.
apropos
C.
which
D.
find
E.
query
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I would say A: whereis is more relevant since you are specifically searching for an executable, no need to use find then, I believe whereis will also search outside your path, correct me if Im wrong. For executables I do whereis, locate, and lastly find.
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A is not correct. whereis as with which, only search the paths listed in your PATH variable.
the question asks what to use when searching for an executable NOT IN THE $PATH.
thus you couldnt use whereis or which. you would have to use find.
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