User Peter.O - Unix & Linux Stack Exchange

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	location	Melbourne, Australia
	age	62
visits	member for	2 years, 7 months
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	8,015 reputation	bio	website		visits	member for	2 years, 7 months
31549 badges		location	Melbourne, Australia		seen	yesterday

15

32

votes

3

answers

2

kviews

What exactly is POSIX?

posix standard

apr 26 '11 at 4:36 penguin359 4,069

8

26

votes

4

answers

2

kviews

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

aug 1 '11 at 0:35 Stéphane Gimenez 8,062

1

20

votes

1

answer

656

views

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

bash shell pipe time echo

aug 20 at 23:35 Gilles 139k

5

17

votes

4

answers

5

kviews

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

shell text-processing environment-variables

jan 12 at 22:42 Steven Penny 145

3

11

votes

6

answers

14

kviews

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

apr 2 '12 at 21:59 Stéphane Gimenez 8,062

2

10

votes

2

answers

487

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

3

10

votes

2

answers

2

kviews

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

linux memory x86 pae

feb 13 '12 at 19:18 Kevin 10.6k

7

10

votes

2

answers

2

kviews

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

bash filesystems ext4

mar 22 '11 at 22:36 Stefan Lasiewski 2,827

9

votes

2

answers

945

views

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

debian system-installation distribution-media

sep 20 at 2:33 Renan 8,304

9

votes

2

answers

735

views

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

editors emacs

may 10 '11 at 7:16 Gilles 139k

2

8

votes

4

answers

3

kviews

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

bash unicode

mar 14 at 12:48 Lauri Ranta 614

8

votes

2

answers

138

views

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

awk

nov 19 at 17:19 jw013 15.8k

1

7

votes

1

answer

358

views

Why is bash extended-globbing variable substitution acting at the byte level?

bash wildcards locale variable-substitution

feb 28 '12 at 23:11 James Youngman 454

2

7

votes

2

answers

326

views

Why does 'for anytext; do' loop four times?

bash shell control-flow

nov 24 '11 at 21:15 kba 103

7

votes

2

answers

322

views

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

text-processing

nov 14 '11 at 8:26 user unknown 3,485

2

7

votes

2

answers

379

views

emacs, How to copy region, and leave it highlighted?

emacs

sep 17 '11 at 9:15 yibe 261

2

7

votes

1

answer

508

views

Is /dev/random data a psuedo-random AES cypher, and where does the entropy come from?

security random

jun 2 '11 at 17:03 grawity 782

7

votes

2

answers

402

views

What governs the limits of shell brace expansion?

bash shell text-processing memory

mar 1 '11 at 7:08 Charles Stewart 245

6

votes

5

answers

986

views

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

shell text-processing command-substitution

apr 19 at 0:17 user1914418 1

1

6

votes

1

answer

569

views

Where have I set my bash PATH?

bash environment-variables path

aug 5 '11 at 23:52 Gilles 139k

6

votes

3

answers

641

views

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

text-processing find filenames

aug 5 '11 at 14:10 user unknown 3,485

6

votes

2

answers

130

views

What is the connection between a gedit bug and a Unix-&-Linux Q/A href?

text-processing editors character-encoding unicode

aug 2 '11 at 21:33 Gilles 139k

6

votes

1

answer

267

views

In Xorg, why do I lose my text selection in one window when I select in another window?

xorg clipboard

jul 25 '11 at 6:49 Shadur 5,233

2

6

votes

2

answers

239

views

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

shell bash brace-expansion

apr 17 '11 at 21:34 Gilles 139k

2

6

votes

2

answers

1

kviews

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 139k

1

5

votes

4

answers

580

views

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

text-processing utilities units

apr 30 at 19:11 don_crissti 3,227

5

votes

1

answer

127

views

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

hardware monitors

mar 17 at 18:17 don_crissti 3,227

1

5

votes

2

answers

204

views

Is it possible to stop emacs from down translating my key chords?

emacs keyboard-shortcuts

oct 17 at 18:18 Trey Jackson 359

5

votes

3

answers

256

views

File size of 60.0 PB is wrong. Can deleting it cause data loss?

filesystems hardware io corruption

jul 2 at 22:41 Gilles 139k

5

votes

2

answers

2

kviews

dd if=/dev/random is 'randomly' bottlenecked with BIG time lags, but I have no idea why

performance random

may 25 '11 at 20:28 Michael Mrozek♦ 23.7k

Peter.O

87 Questions