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If the process receiving SIGHUP is a Unix shell, then as part of job control it will often intercept the signal and ensure that all stopped processes are continued before sending the signal to child processes (more precisely, process groups, represented internally by the shell as a "job"), which by default terminates them.
The Linux daemons sysrqd [12] and tcpconsole [13] provide a method of accessing SysRq features over a TCP connection after authenticating with a plain-text password. The hangwatch [ 14 ] daemon will invoke pre-configured SysRq triggers when system load average exceeds a certain threshold.
The jobs command will list the background jobs existing in the job table, along with their job number and job state (stopped or running). When a session ends when the user logs out (exits the shell, which terminates the session leader process), the shell process sends SIGHUP to all jobs, and waits for the process groups to end before ...
Wrapper scripts often use this command to run a program (either directly or through an interpreter or virtual machine) after setting environment variables or other configuration. By using exec, the resources used by the shell program do not need to stay in use after the program is started. [2] The exec command can also perform a redirection.
In computing, Bash (short for "Bourne Again SHell,") [6] is an interactive command interpreter and command programming language [7] developed for UNIX-like operating systems.. Created in 1989 [8] by Brian Fox for the GNU Project, [9] it is supported by the Free Software Foundation [10] and designed as a 100% [11] free alternative for the Bourne shell (sh) [12] and other proprietary Unix sh
The Federal Reserve in June issued an enforcement action against West Memphis, Arkansas-based Evolve, finding it failed to properly police its fintech partners. How Japanese mochi brings ...
The countdown to Christmas is on, but the threat of delayed packages could dampen the holiday spirit. Winter storms, out-of-stock items, ground shipping risks and a host of other issues could ...
Editing a FreeBSD shell script for configuring ipfirewall. A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. [1] The various dialects of shell scripts are considered to be command languages. Typical operations performed by shell scripts include file manipulation, program execution, and printing ...