6.64. Sysvinit-2.88dsf

#### Linux From Scratch - Version 7.10-rc1

### Chapter 6. Installing Basic System Software

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# 6.64. Sysvinit-2.88dsf

The Sysvinit package contains programs for controlling the startup, running, and shutdown of the system.

Approximate build time: less than 0.1 SBU
Required disk space: 1.1 MB

## 6.64.1. Installation of Sysvinit

First, apply a patch that removes several programs installed by other packages, clarifies a message, and fixes a compiler warning:

    patch -Np1 -i ../sysvinit-2.88dsf-consolidated-1.patch

Compile the package:

    make -C src

This package does not come with a test suite.

Install the package:

    make -C src install

## 6.64.2. Contents of Sysvinit

Installed programs: bootlogd, fstab-decode, halt, init, killall5, poweroff (link to halt), reboot (link to halt), runlevel, shutdown, and telinit (link to init)

### Short Descriptions

bootlogd | Logs boot messages to a log file
fstab-decode | Run a command with fstab-encoded arguments
halt | Normally invokes shutdown with the `-h` option, except when already in run-level 0, then it tells the kernel to halt the system; it notes in the file `/var/log/wtmp` that the system is being brought down
init | The first process to be started when the kernel has initialized the hardware which takes over the boot process and starts all the proceses specified in its configuration file
killall5 | Sends a signal to all processes, except the processes in its own session so it will not kill its parent shell
poweroff | Tells the kernel to halt the system and switch off the computer (see halt)
reboot | Tells the kernel to reboot the system (see halt)
runlevel | Reports the previous and the current run-level, as noted in the last run-level record in `/var/run/utmp`
shutdown | Brings the system down in a secure way, signaling all processes and notifying all logged-in users
telinit | Tells init which run-level to change to

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