Questions tagged [system-v]
29 questions
18
votes
1 answer
What is AT&T’s Link Editor Command Language?
The man page for ld makes reference to AT&T’s Link Editor Command Language, however a Google search does not offer a satisfactory explanation as to what AT&T’s Link Editor Command Language is or was, other than pointing to said man pages, whereas I…
mydoghasworms
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15
votes
1 answer
What are the relations between processes, kernel threads, lightweight processes and user threads in Unix?
Unix Internal by Vahalia have figures showing the relations between processes, kernel threads, lightweight processes, and user threads.
This book gives most attention to SVR4.2, and it also explores 4.4BSD, Solaris 2.x, Mach, and Digital UNIX in…
Tim
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9
votes
1 answer
How do you pronounce System V and SysV?
Is the V in System V and SysV (and sysvinit, etc) pronounced "vee" or "five"?
Shawn J. Goff
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6
votes
1 answer
Resources System V vs BSD
I'm searching for some detailed resources about the differences of System V and BSD concepts.
For example:
Interprocess Communication
Sockets vs TLI
...
Some sort of pro/cons discussion with historical background would be really nice.
Any ideas?
echox
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5
votes
1 answer
Are tid and tgid always the same as pid in the output of ps?
In manpage of ps
tid TID the unique number representing a dispatchable
entity (alias lwp, spid). This value may also
appear as: a process ID (pid); a process group
…
Tim
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5
votes
2 answers
Why is a service being started if it isn't mentioned in /etc/init.d?
After a clean install of Fedora 17 and distcc-server, I did a service distccd start, which completed successfully.
man service indicates that it would merely be running the distccd script at /etc/init.d/distccd, but that file doesn't exist. …
Cory Klein
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3
votes
2 answers
autostarting scripts in debian
I have a service that I install as so:
install -m 755 init_script /etc/init.d/spacenavd
cd /etc/rc2.d
ln -s ../init.d/spacenavd S99spacenavd
what the init_script does is start the script:
/usr/local/bin/spacenavd -v
All of this works fine and…
mugetsu
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3
votes
0 answers
How differently from Linux kernel does a typical Unix kernel (System V, Free BSD, ...) implement processes and threads?
In my previous post, about the Linux kernel,
the structure task_struct represents threads i.e. light weight processes, but not processes.
processes are not represented by any structure, but by groups of threads sharing the same thread group…
Tim
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3
votes
3 answers
How to run a script at shutdown on Debian 9 or Raspbian 8 (Jessie)
I would like to execute this shell script at reboot and shut down:
#!/bin/sh
touch /test
Its permissions are
-rwxr-xr-x 1 root root 22 Feb 24 09:34 /etc/init.d/te1
And it has this links
/etc/rc0.d/K01te1 -> ../init.d/te1
/etc/rc6.d/K01te1 ->…
Frank Breitling
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2
votes
1 answer
Official definition of System V service management
Several sources online discusses the difference between Linux systemd service management facility and that of System V.
While there's an official website for systemd, I found no official definition for that of System V (I checked SVID issue 2,…
DannyNiu
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2
votes
1 answer
Why is rsyslog not listed when I run service?
I'm trying to learn about rsyslog. On one of my linux boxes, I think that rsyslog has been configured to run through systemd based on this output:
>systemctl status rsyslog
rsyslog.service - System Logging Service
Loaded: loaded…
StoneThrow
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2
votes
0 answers
Linux Vs UNIX - kernel - How to understand the difference?
In 1980's, two most prevalent operating systems came out,
1) System V created by AT&T
2) BSD created at UOC, Berkeley
Some of the BSD variants are OpenBSD, FreeBSD, MAC OS X
Some of the System V variants are AIX/HP-UX/Solaris
Linux is created in…
overexchange
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2
votes
2 answers
Behold System V; what about systems I-IV?
System V (by AT&T) is the ancestral Unix, and I have used it. But I have never read or heard anything about systems I-IV, other than they existed once upon a time in the dim past. How effective were they, and were they widespread? Is it possible to…
gracious1
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2
votes
2 answers
Enabling completion with tab on an old ksh on SystemV
Is it possible to make completion with Tab like in bash?
Currently I use Esc twice, can this be changed to a tab?
elbarna
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1
vote
2 answers
System V init service can't recongnise mongod
I have been following official guide for installing mongodb but it wont run as a service.
When i try
$ whereis mongod
mongod: /usr/bin/mongod /etc/mongod.conf /usr/share/man/man1/mongod.1.gz
but step from the guide for starting the service
$ sudo…
Vojin Purić
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