Question: |
Why we use the umask command?1. sets the shell's umask value to the specified octal number, or displays the current umask value if the argument is omitted2. causes the shell\'s image to be replaced with command in the process\' memory space.3. causes all of the positional parameters $2..$n to be renamed $1..$(n-1), and $1 to be lost.4. none
|