COMPUTER SCIENCE AND ENGINEERING
UNIX
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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chmod 546 file
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chmod 642 file
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chmod 645 file
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chmod 655 file
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Detailed explanation-1: -Type chmod permissions file to change permissions of a file or directory.
Detailed explanation-2: -The permissions for emptyfile are rw-r–r–, indicating that the owner can read and write this file, everyone can read it, and no one can execute it. The permissions for the directory veggies2 are rwxr-xr-x, indicating that everyone has read and execute permissions, but only the owner can write to it.
Detailed explanation-3: -Changing File Permissions with chmod To change the file permissions using chmod, run chmod <permission> <directory or filename>, swapping in the desired file permissions and the directory or file. The owner can change file permissions for any user, group or others by adding-to remove or + to add certain permissions.
Detailed explanation-4: -644-owner can read/write, group/others can read only. Some directory permission examples: 777-all can read/write/search. 755-owner can read/write/search, others and group can only search.