User JdeBP

215 votes

Accepted

How does systemd use /etc/init.d scripts?

answered Oct 2, 2015 at 20:31

157 votes

Accepted

What is the difference between these commands for bringing down a Linux server?

rhel shutdown

answered Apr 13, 2015 at 19:00

115 votes

Accepted

Set systemd service to execute after fstab mount

debian systemd

answered Dec 5, 2015 at 15:28

94 votes

What did the sticky bit originally do when applied to files?

permissions history sticky-bit

answered Jun 30, 2016 at 18:49

81 votes

Understand logging in Linux

linux-kernel syslog rsyslog syslog-ng

answered Jul 6, 2016 at 11:12

79 votes

Accepted

How does Unix keep track of a user's working directory when navigating the file system?

filesystems pwd

answered Dec 27, 2017 at 8:20

78 votes

New parent process when the parent process dies

process init exit

answered Jan 4, 2015 at 14:27

77 votes

Accepted

Why does /etc/resolv.conf point at 127.0.0.53?

linux dns resolv.conf

answered Oct 1, 2020 at 19:57

73 votes

What is the difference between Halt and Shutdown commands?

command-line shutdown

answered Apr 15, 2015 at 22:13

62 votes

What is /etc/mtab in Linux?

linux fstab

answered Apr 23, 2019 at 19:16

62 votes

What's this I hear about First Edition Unix being restored?

history historical-unix

answered Oct 31, 2016 at 18:49

59 votes

Accepted

What exactly does init do?

linux startup init

answered Apr 20, 2015 at 19:27

54 votes

Accepted

ip vs ifconfig commands pros and cons

linux networking ip ifconfig

answered Mar 3, 2019 at 11:20

52 votes

Accepted

Is there a way to save a command in Ubuntu terminal if I haven't entered it?

ubuntu command-line

answered Feb 27, 2020 at 0:51

45 votes

Accepted

How do some tools (e.g. nano , less) manage to leave no content in terminals after exit?

answered Jan 11, 2017 at 17:06

44 votes

Accepted

Is systemd-journald a syslog implementation?

syslog systemd-journald

answered Dec 23, 2016 at 4:12

43 votes

Systemd kills service immediately after start

centos systemd kill

answered May 4, 2015 at 17:55

43 votes

Accepted

Why is the behavior of `command 1>file.txt 2>file.txt` different from `command 1>file.txt 2>&1`?

bash shell io-redirection echo

answered Sep 10, 2017 at 20:06

41 votes

Do the common programs (for example: "ls", "cat") in Linux and BSD come from the same source code?

linux source bsd

answered Mar 15, 2019 at 8:03

41 votes

Accepted

What exactly is "a stop job", as in "A stop job is running..."?

systemd shutdown

answered Sep 19, 2016 at 8:09

40 votes

Accepted

Understanding home configuration file locations: ~/, ~/.config/ and ~/.local/share/

configuration home

answered Sep 28, 2016 at 18:31

38 votes

So what was the "u area" in UNIX?

kernel historical-unix

answered Apr 29, 2020 at 11:58

38 votes

How to trick a command into thinking its output is going to a terminal

shell pipe utilities stdout pty

answered Dec 16, 2015 at 19:47

36 votes

Accepted

What's the default file for `hostname`?

linux hostname

answered Oct 7, 2020 at 2:28

36 votes

How do pipelines limit memory usage?

pipe history

answered Jun 20, 2018 at 15:27

36 votes

What is the bin user for?

passwd non-root-user

answered Dec 2, 2018 at 15:34

31 votes

Accepted

Why doesn't printf escape newlines?

bash newlines printf

answered Jan 30, 2020 at 20:52

31 votes

Accepted

Where does the TERM environment variable default get set?

bash shell terminal environment-variables colors

answered Apr 27, 2015 at 17:10

30 votes

How to use /dev/fb0 as a console from userspace, or output text to it

linux command-line arm framebuffer

answered Jan 3, 2015 at 13:18

29 votes

Accepted

Why would I chroot for sandboxing for security if my application can from the beginning run at a lower level?

chroot daemon

answered Jun 1, 2018 at 14:14

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895 Answers

How does systemd use /etc/init.d scripts?

What is the difference between these commands for bringing down a Linux server?

Set systemd service to execute after fstab mount

What did the sticky bit originally do when applied to files?

Understand logging in Linux

How does Unix keep track of a user's working directory when navigating the file system?

New parent process when the parent process dies

Why does /etc/resolv.conf point at 127.0.0.53?

What is the difference between Halt and Shutdown commands?

What is /etc/mtab in Linux?

What's this I hear about First Edition Unix being restored?

What exactly does init do?

ip vs ifconfig commands pros and cons

Is there a way to save a command in Ubuntu terminal if I haven't entered it?

How do some tools (e.g. nano , less) manage to leave no content in terminals after exit?

Is systemd-journald a syslog implementation?

Systemd kills service immediately after start

Why is the behavior of `command 1>file.txt 2>file.txt` different from `command 1>file.txt 2>&1`?

Do the common programs (for example: "ls", "cat") in Linux and BSD come from the same source code?

What exactly is "a stop job", as in "A stop job is running..."?

Understanding home configuration file locations: ~/, ~/.config/ and ~/.local/share/

So what was the "u area" in UNIX?

How to trick a command into thinking its output is going to a terminal

What's the default file for `hostname`?

How do pipelines limit memory usage?

What is the bin user for?

Why doesn't printf escape newlines?

Where does the TERM environment variable default get set?

How to use /dev/fb0 as a console from userspace, or output text to it

Why would I chroot for sandboxing for security if my application can from the beginning run at a lower level?