Unix - Study Mode

[#311] How can we identify executables and directories from the output of ls command?
Correct Answer

(A) using -F option

[#312] Which command will be used to join 4 lines with the current line?
Correct Answer

(A) 5J

[#313] What is the collating sequence of ls command for listing files?
Correct Answer

(A) Numerals > Uppercase > Lowercase

[#314] The technique of restoring line deletions from numbered buffers is applicable only to entire lines.
Correct Answer

(A) True

[#315] Which of the following system call is preferred over dup and dup2 for replicating file descriptor?
Correct Answer

(C) fcntl