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The "chmod" command is used to change the permissions of a file or directory. In this case, the "myfile" is being changed to "rwxr--r--", which means the owner has read, write, and execute permissions, while the group and others have only read permission. The numbers in the command represent the permissions in octal form, with the first digit representing the owner's permissions, the second digit representing the group's permissions, and the third digit representing others' permissions.
Pulsars are :
Temperature of the Sun is measured by?
Which of the following statements about X-rays is INCORRECT ?
What device is primarily used to convert alternating current (AC) into direct current (DC)?
The frequency of ultrasound wave is typically –
Temperature of the Sun is measured by
In a coil with n turns, what happens to the induced electromotive force (EMF) if the number of turns is doubled while the magnetic flux remains constant?
Which of the following statements is true when we see 'rainbow'?
In which of the following processes is energy released?
Velocity of the sound is minimum in-