Multiple users have complained about file access in a shared directory, but you've checked your daily backup reports and there are no corrupt files. Which command can you issue in the directory in question to investigate the problem further?
A. ls -l
B. chmod 777 *
C. pwd
D. who
Answer: A. ls -l
ls -l —This command displays the permissions of all files in the directory to help you sort out the problem. It's likely that the directory's group permissions are incorrectly set.
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