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89 Questions

Votes Activity Newest Views
88
150
votes
4
answers
49k
views

What exactly is POSIX?

posix standard
Aug 16 '19 at 9:16 Ciro Santilli新疆棉花TRUMP BAN BAD 11.8k
37
126
votes
18
answers
57k
views

A standard tool to convert a byte-count into human KiB MiB etc; like du, ls1

text-processing utilities units
Nov 28 at 8:48 igonejack 101
41
115
votes
20
answers
153k
views

Is there a way to get the min, max, median, and average of a list of numbers in a single command?

bash awk arithmetic bc
Jan 6 at 8:32 Jing Su 21
43
92
votes
4
answers
111k
views

Why is `while IFS= read` used so often, instead of `IFS=; while read..`?

shell text-processing environment-variables
Mar 7 '19 at 20:56 RalfFriedl 7,257
53
75
votes
4
answers
25k
views

What is the difference between a builtin command and one that is not?

bash shell utilities shell-builtin
Dec 15 '17 at 19:56 Gilles 'SO- stop being evil' 683k
16
65
votes
4
answers
152k
views

How can I test the encoding of a text file… Is it valid, and what is it?

text-processing utilities character-encoding
Mar 24 at 15:56 Falaen 11
9
43
votes
4
answers
18k
views

How can I use $variable in a shell brace expansion of a sequence?

shell bash brace-expansion
Feb 27 '20 at 20:39 Inian 9,815
11
42
votes
3
answers
8k
views

Why does a bash here-string add a trailing newline char?

bash text-processing
Jun 9 '16 at 14:31 Community♦ 1
11
40
votes
2
answers
8k
views

Where do my ANSI escape codes go when I pipe to another process? Can I keep them?

command-line colors pipe escape-characters
Apr 7 '11 at 21:31 Gilles 'SO- stop being evil' 683k
2
29
votes
1
answer
2k
views

Why does echo >file use more real time than echo | sed >file?

bash shell pipe time echo
Aug 20 '12 at 23:35 Gilles 'SO- stop being evil' 683k
11
27
votes
3
answers
24k
views

Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?

shell-script pipe variable variable-substitution
Oct 5 '18 at 9:25 Kusalananda♦ 233k
5
27
votes
5
answers
6k
views

Why does shell Command Substitution gobble up a trailing newline char?

shell text-processing command-substitution
Jan 17 '18 at 23:35 Jeff Schaller♦ 58.7k
6
25
votes
2
answers
8k
views

GNU Emacs; Does the GUI version offer anything more than the ability to have a GUI menu?

x11 emacs
May 12 '17 at 0:26 Gilles 'SO- stop being evil' 683k
13
25
votes
4
answers
23k
views

Is it possible in bash, to start reading a file from an arbitary byte count offset?

bash filesystems text-processing
Feb 12 '14 at 0:45 user59892 1
12
23
votes
6
answers
34k
views

In bash, how can I convert a Unicode Codepoint [0-9A-F] into a printable character?

bash unicode
Jul 23 '18 at 18:08 penguin359 10.6k
14
23
votes
8
answers
39k
views

How do I find the X window ID under the mouse pointer in bash?

xorg utilities mouse window
Jan 18 '18 at 2:05 Noé Martínez 31
1
21
votes
1
answer
11k
views

Why can't sudo redirect stdout to /etc/file, but sudo 'nano' or 'cp' can? [duplicate]

permissions sudo io-redirection
Aug 30 '11 at 7:10 Gilles 'SO- stop being evil' 683k
6
20
votes
3
answers
22k
views

Get monitor make and model and other info in human readable form

hardware monitors
Jun 20 at 21:46 tonispa 71
6
16
votes
1
answer
6k
views

How can I type Unicode characters into KDE's Konsole terminal from a Gnome desktop?

kde keyboard unicode konsole input-method
Oct 21 at 9:34 AdminBee 12.5k
4
16
votes
3
answers
7k
views

Is it possible to nest a 'find -exec' within another 'find -exec'?

text-processing find filenames
Aug 5 '11 at 14:10 Community♦ 1
4
15
votes
3
answers
11k
views

Why does the exclamation mark `!` sometimes upset bash?

bash command-history quoting
Apr 7 at 13:28 ilkkachu 93.5k
2
15
votes
2
answers
3k
views

Where has the trailing newline char gone from my command substitution?

shell command-line text-processing command-substitution
Jun 10 '12 at 5:12 Vic 1
 
13
votes
3
answers
2k
views

wc -L reports a line-length of 8 for a tab-char. bug or feature?

text-processing
Dec 9 at 19:41 Boris 126
10
13
votes
2
answers
7k
views

In `while IFS= read..`, why does IFS have no effect?

shell text-processing environment-variables
Apr 5 '17 at 17:25 Community♦ 1
3
12
votes
2
answers
10k
views

Why does my system show only 3.2 GiB of RAM when I definitely have 4.0 GiB

linux memory x86 pae
Feb 3 at 17:39 Glorfindel 637
1
11
votes
5
answers
17k
views

Can IFS (Internal Field Separator) function as a single separator for multiple consecutive delimiter chars?

bash shell scripting
Jan 9 '19 at 11:20 Community♦ 1
3
11
votes
3
answers
7k
views

How to colorize text in emacs?

emacs colors
May 12 '16 at 17:15 deb0ch 111
1
11
votes
2
answers
1k
views

Are there 2 ways to set awk vars via command line?

awk
Nov 19 '12 at 17:19 jw013 44.2k
8
11
votes
2
answers
6k
views

Why is deleting files by name painfully slow and also exceptionally fast?

bash filesystems ext4
Mar 22 '11 at 22:36 Stefan Lasiewski 16.9k
 
10
votes
2
answers
3k
views

31 Debian CDs — Why? and which do I need for a vanilla desktop install?

debian system-installation distribution-media
Sep 20 '12 at 2:33 Renan 16.2k
1
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