| 31. |
What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others? |
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| 32. |
What command is used to assign executable permission to the owner of the file named "letter"? |
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| 34. |
What command is used to summarize the disk usage? |
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| 35. |
What command is used to list the jobs currently in print queues? |
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