Which of the following umask settings doesn’t allow execute permission to be set by default on directory files

Related MCQs

• Which of the following umask settings allow execute permission to be set by default on regular files
• Given a code snippet below? #define PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) int main() { int fd1, fd2; umask(0); fd1 = open(“file1”, O_CREAT | O_RDWR, PERMS) umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); fd2 = open(“file2”, O_CREAT | O_RDWR, PERMS) return 0; } The newly created files file1 and file2 will have the permissions respectively
• With a umask value of 112, what is the default permission assigned to newly created regular file?
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• If the umask value is 0002. what will be the permissions of new directory
• Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
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• You want to add files to a previously created tar file. You want to replace existing files with newer files, how can you do this ?
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