Which signal is commonly sent by command-line utilities to request a graceful termination of a process?
SIGSTOP
SIGKILL
SIGQUIT
SIGTERM
The SIGTERM signal is used by system administrators to request a graceful termination of a process. When a process receives a SIGTERM, it has the opportunity to perform clean-up actions such as closing files, releasing resources, and saving state before actually terminating. This is in contrast to SIGKILL, which forcibly terminates the process without any clean-up. SIGQUIT is designed to terminate processes and generate a core dump for debugging purposes, which is not typically used for graceful terminations. SIGSTOP is used to pause a process, not terminate it.
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