diff options
Diffstat (limited to 'sbin/init/init.8')
| -rw-r--r-- | sbin/init/init.8 | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/sbin/init/init.8 b/sbin/init/init.8 index b12b3e2..1b31f11 100644 --- a/sbin/init/init.8 +++ b/sbin/init/init.8 @@ -51,7 +51,7 @@ .Sh DESCRIPTION The .Nm -program +utility is the last stage of the boot process. It normally runs the automatic reboot sequence as described in .Xr rc 8 , @@ -62,7 +62,7 @@ commences single-user operation by giving the super-user a shell on the console. The .Nm -program may be passed parameters +utility may be passed parameters from the boot program to prevent the system from going multi-user and to instead execute a single-user shell without starting the normal daemons. @@ -159,8 +159,9 @@ In multi-user operation, maintains processes for the terminal ports found in the file .Xr ttys 5 . -.Nm Init -reads this file and executes the command found in the second field, +The +.Nm +utility reads this file and executes the command found in the second field, unless the first field refers to a device in .Pa /dev which is not configured. @@ -181,7 +182,7 @@ dies, either because the user logged out or an abnormal termination occurred (a signal), the .Nm -program wakes up, deletes the user +utility wakes up, deletes the user from the .Xr utmp 5 file of current users and records the logout in the @@ -194,8 +195,9 @@ executing a new .Nm getty for the line. .Pp -.Nm Init -can also be used to keep arbitrary daemons running, +The +.Nm +utility can also be used to keep arbitrary daemons running, automatically restarting them if they die. In this case, the first field in the .Xr ttys 5 @@ -247,8 +249,9 @@ file and records in the file is out of sync, so this practice is not recommended. .Pp -.Nm Init -will terminate multi-user operations and resume single-user mode +The +.Nm +utility will terminate multi-user operations and resume single-user mode if sent a terminate .Pq Dv TERM signal, for example, @@ -259,8 +262,9 @@ hardware or software failure), will not wait for them all to die (which might take forever), but will time out after 30 seconds and print a warning message. .Pp -.Nm Init -will cease creating new processes +The +.Nm +utility will cease creating new processes and allow the system to slowly die away, if it is sent a terminal stop .Pq Dv TSTP signal, i.e.\& @@ -272,8 +276,9 @@ This hook is used by and .Xr halt 8 . .Pp -.Nm Init -will terminate all possible processes (again, it will not wait +The +.Nm +utility will terminate all possible processes (again, it will not wait for deadlocked processes) and reboot the machine if sent the interrupt .Pq Dv INT signal, i.e.\& @@ -281,8 +286,9 @@ signal, i.e.\& This is useful for shutting the machine down cleanly from inside the kernel or from X when the machine appears to be hung. .Pp -.Nm Init -will do the same, except it will halt the machine if sent +The +.Nm +utility will do the same, except it will halt the machine if sent the user defined signal 1 .Pq Dv USR1 , or will halt and turn the power off (if hardware permits) if sent @@ -382,7 +388,7 @@ system shutdown commands .Sh HISTORY An .Nm -command appeared in +utility appeared in .At v6 . .Sh CAVEATS Systems without |
