A system administrator needs to identify all files in the /home/jdoe directory and its subdirectories that were modified within the last 24 hours and are larger than 1MB. For each file found, the ls -l command should be executed to display detailed information. Which of the following commands will accomplish this task?
The correct command is find /home/jdoe -mtime -1 -size +1M -exec ls -l {} \;.
find /home/jdoe specifies the starting directory for the search.
-mtime -1 finds files whose content was modified less than 1 day (24 hours) ago.
-size +1M finds files that are larger than 1 Megabyte.
-exec ls -l {} \; executes the ls -l command for each file found. The {} is a placeholder for the found file's name, and \; terminates the command.
The command find /home/jdoe -mtime 1 -size 1M -print | xargs ls -l is incorrect because -mtime 1 finds files modified between 24 and 48 hours ago, and -size 1M finds files of exactly 1MB, not larger. The command locate /home/jdoe --mtime -1 --size +1M | ls -l is incorrect because the locate command searches a database by filename and does not support time or size predicates like --mtime or --size. The command find /home/jdoe -atime -1 -size -1M -exec ls -l {} + is incorrect because -atime searches by last access time, not modification time, and -size -1M searches for files smaller than 1MB.
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What is the difference between `-mtime` and `-atime` in the `find` command?
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What does the `+1M` size parameter in `find` mean?
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