It is not possible to send a signal to an explicitly selected thread in a
multithreaded process using the
.BR kill (2)
-syscall. If
+system call. If
.BR kill (2)
is used to send a signal to a thread group, then the kernel selects an arbitrary
member of the thread group that has not blocked the signal. For more details
.PP
The command
.BR kill (1)
-as well as syscall
+as well as system call
.BR kill (2)
accept a TID (thread ID, see
.BR gettid (2))