Great Question - Badge - Unix & Linux Stack Exchange

Great Question

Question score of 100 or more. This badge can be awarded multiple times.

Awarded 928 times.

Does /usr/sbin/nologin as a login shell serve a security purpose?

Awarded yesterday

Mark Amery

2,8206 gold badges22 silver badges29 bronze badges

As root, how can I list the crontabs for all users?

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Highly Irregular

2,4156 gold badges23 silver badges24 bronze badges

List of terminal generated signals (eg Ctrl-C -> SIGINT)

Awarded Jun 1 at 18:55

Tom Hale

28.1k32 gold badges134 silver badges226 bronze badges

Difference between ls -l and ll?

Awarded May 31 at 21:40

Jon

1,1212 gold badges7 silver badges7 bronze badges

What is kernel ip forwarding?

Awarded May 26 at 20:47

Madhur Ahuja

1,5013 gold badges12 silver badges14 bronze badges

What is the difference between 'rm' and 'unlink'?

Awarded May 25 at 3:16

IQAndreas

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How can I remove duplicates in my .bash_history, preserving order?

Awarded May 24 at 15:35

cwd

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How to view a binary file?

Awarded May 24 at 13:56

Martin Zeltin

1,1512 gold badges8 silver badges6 bronze badges

How to find out which interface am I using for connecting to the internet?

Awarded May 22 at 20:33

LanceBaynes

38.8k97 gold badges248 silver badges348 bronze badges

Does rsync verify files copied between two local drives?

Awarded May 21 at 9:58

Frez

1,1132 gold badges8 silver badges5 bronze badges

How to use a shell command to only show the first column and last column in a text file?

Awarded May 19 at 3:26

user70573

1,2492 gold badges9 silver badges7 bronze badges

What is difference between GTK and QT applications?

Awarded May 19 at 3:26

Pandya

23.7k29 gold badges92 silver badges144 bronze badges

The ls command is not working for a directory with a huge number of files

Awarded May 19 at 3:26

Ramesh

38.4k43 gold badges139 silver badges214 bronze badges

How to find out if a system uses SysV, Upstart or Systemd initsystem [duplicate]

Awarded May 19 at 3:26

Valentin Bajrami

9,0693 gold badges24 silver badges38 bronze badges

How can I add an application to the GNOME application menu?

Awarded May 19 at 3:26

mart

1,2592 gold badges10 silver badges11 bronze badges

How to check if a user can access a given file?

Awarded May 19 at 3:26

Metalcoder

1,1552 gold badges8 silver badges11 bronze badges

How to specify key in SSHFS?

Awarded May 19 at 3:26

J L

1,1332 gold badges8 silver badges8 bronze badges

Make xargs pass as first parameter

Awarded May 19 at 3:26

andy boot

1,1532 gold badges9 silver badges8 bronze badges

Why does bashrc check whether the current shell is interactive?

Awarded May 19 at 3:26

terdon on strike♦

232k64 gold badges441 silver badges654 bronze badges

Remove line containing certain string and the following line

Awarded May 19 at 3:26

jakub.g

3,0635 gold badges19 silver badges17 bronze badges

Differences between sed on Mac OSX and other "standard" sed?

Awarded May 19 at 3:26

Peter Grill

1,5333 gold badges15 silver badges19 bronze badges

What is the point of sshd “UseDNS” option?

Awarded May 19 at 3:26

user368507

2,1334 gold badges19 silver badges17 bronze badges

Using rsync to move (not copy) files between directories?

Awarded May 19 at 3:26

Amelio Vazquez-Reina

39.7k76 gold badges195 silver badges292 bronze badges

How do you make samba follow symlink outside the shared path

Awarded May 19 at 3:26

mit

1,4033 gold badges12 silver badges17 bronze badges

Rebuild auto-complete index (or whatever it's called) and binaries in $PATH cache in zsh

Awarded May 19 at 3:26

phunehehe

20k27 gold badges98 silver badges151 bronze badges

Difference between 'echo' and 'echo -e' [closed]

Awarded May 10 at 12:00

Venkatesh

1,1412 gold badges7 silver badges8 bronze badges

How do I kill all a user's processes using their UID

Awarded May 4 at 14:49

user489152

1,1032 gold badges9 silver badges6 bronze badges

Bash: Assign output of pipe to a variable

Awarded Apr 27 at 14:57

Parckwart

1,0212 gold badges8 silver badges5 bronze badges

How to make tree output only directories?

Awarded Apr 17 at 15:42

Niklas Rosencrantz

3,9046 gold badges34 silver badges56 bronze badges

command to determine ports of a device (like /dev/ttyUSB0)

Awarded Apr 3 at 22:02

71GA

1,0465 gold badges17 silver badges38 bronze badges

A list of available D-Bus services

Awarded Apr 3 at 21:07

madfriend

1,1132 gold badges8 silver badges5 bronze badges

How to undo `set -x`?

Awarded Apr 3 at 10:45

lonewarrior556

2,0034 gold badges15 silver badges13 bronze badges

How can I turn off "middle mouse button paste" functionality in all programs?

Awarded Mar 30 at 15:58

derekhh

1,1873 gold badges9 silver badges7 bronze badges

ssh-add returns with: "Error connecting to agent: No such file or directory"

Awarded Mar 29 at 15:15

Wong Jia Hau

1,1492 gold badges8 silver badges6 bronze badges

Shell script fails: Syntax error: "(" unexpected

Awarded Mar 24 at 20:00

kemra102

1,0512 gold badges11 silver badges16 bronze badges

What are character special and block special files in a unix system? [duplicate]

Awarded Mar 23 at 10:30

Geek

6,42815 gold badges46 silver badges70 bronze badges

ssh unable to negotiate - no matching key exchange method found

Awarded Mar 22 at 18:07

j0h

3,4378 gold badges26 silver badges36 bronze badges

Possible missing firmware /lib/firmware/i915/* for module i915

Awarded Mar 21 at 18:48

Vlastimil Burián

26.8k52 gold badges170 silver badges301 bronze badges

Which MP3 tagging tool for Linux? [closed]

Awarded Mar 15 at 14:07

tkit

2,3984 gold badges21 silver badges27 bronze badges

What do the symbols displayed by ls -F mean?

Awarded Mar 14 at 9:56

spuder

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How to mount a device in Linux?

Awarded Mar 13 at 8:32

its_me

13.6k23 gold badges53 silver badges52 bronze badges

How to signal the end of stdin input

Awarded Mar 8 at 15:42

Tim

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When would you use an additional file descriptor?

Awarded Mar 4 at 7:34

dogbane

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How do I echo just 1 column of output from ls command?

Awarded Feb 28 at 21:16

John

3,44913 gold badges29 silver badges25 bronze badges

What are pid and lock files for?

Awarded Feb 27 at 3:15

Stann

2,1395 gold badges23 silver badges24 bronze badges

GRUB starts in command line after reboot

Awarded Feb 26 at 14:01

Antoine Aubry

1,0612 gold badges8 silver badges10 bronze badges

Why do we need to use visudo instead of directly modifying the sudoers file?

Awarded Feb 24 at 10:50

Dason

1,1022 gold badges8 silver badges13 bronze badges

What does "3>&1 1>&2 2>&3" do in a script?

Awarded Feb 17 at 7:56

jsterr

1,2614 gold badges12 silver badges12 bronze badges

Restart bash from terminal without restarting the terminal application (mac)?

Awarded Feb 14 at 0:30

Mattias

1,5273 gold badges13 silver badges14 bronze badges

How to grep the output of cURL?

Awarded Feb 9 at 10:31

dotancohen

15.4k26 gold badges79 silver badges115 bronze badges

How to install apt-get or YUM on Mac OS X

Awarded Feb 7 at 17:41

Karan-41317

1,1312 gold badges8 silver badges5 bronze badges

rsync ignore owner, group, time, and perms

Awarded Feb 2 at 19:35

alsanal

1,1132 gold badges8 silver badges4 bronze badges

Show the year while listing files in the current directory

Awarded Jan 31 at 13:16

WAEL

1,4894 gold badges11 silver badges16 bronze badges

grep inside less?

Awarded Jan 19 at 18:12

forquare

3,3865 gold badges21 silver badges32 bronze badges

How to extract only a specific folder from a zipped archive to a given directory?

Awarded Jan 15 at 21:50

Enkouyami

1,3582 gold badges12 silver badges15 bronze badges

How to see the latest x lines from systemctl service log

Awarded Jan 4 at 4:02

user3191334

1,3392 gold badges9 silver badges11 bronze badges

Systemd service - what is `multi-user.target`

Awarded Jan 2 at 11:55

eddyP23

1,1912 gold badges7 silver badges7 bronze badges

creating a tar archive without including parent directory

Awarded Dec 29, 2022 at 0:01

Sujit Maharjan

1,3853 gold badges9 silver badges10 bronze badges

List subdirectories only n level deep

Awarded Dec 17, 2022 at 0:35

user66001

2,2764 gold badges19 silver badges27 bronze badges

Preventing grep from causing premature termination of "bash -e" script

Awarded Dec 8, 2022 at 10:19

iago-lito

2,5514 gold badges19 silver badges35 bronze badges

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