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14

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9

answers

7k

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Is there a reason why “.” and “..” show up after doing ls -a?

shell ls

modified Feb 21 at 18:04 Lorem Ipsum 310

42

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4

answers

6k

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modified Feb 23 at 13:55 ctrl-alt-delor 18.3k

13

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15

answers

3k

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linux backup software-rec

answered Feb 20 at 0:32 user62612 51

19

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3

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4k

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bash shell

modified Feb 24 at 19:42 codelahoma 474

14

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7

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2k

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modified Feb 10 at 7:11 Kusalananda♦ 187k

5

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8

answers

2k

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How do I convert a single column to 3 columns?

awk

modified yesterday JoL 1,741

16

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8

answers

1k

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

ubuntu command-line

answered 7 hours ago 0x5453 121

11

votes

7

answers

1k

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Ways to append text to a file [closed]

shell-script shell

modified Feb 16 at 14:43 roaima 56k

23

votes

2

answers

4k

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Why doesn't the Linux kernel have optimized functions like glibc does (e.g., memchr, strchr)?

linux-kernel libraries glibc

modified Feb 14 at 10:55 schily 12.9k

9

votes

4

answers

1k

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bash rename

modified 2 days ago Stéphane Chazelas 358k

6

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3

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2k

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bash newlines printf

answered Feb 1 at 17:08 Isaac 17.9k

18

votes

1

answer

2k

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What does <$( )> do

bash shell

modified Feb 23 at 16:19 ilkkachu 74k

19

votes

1

answer

1k

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Barely any commands work, no module named 'apt_pkg'

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modified Feb 21 at 6:04 icarus 10.4k

14

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5

answers

1k

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modified Feb 7 at 21:26 Basj 1,838

13

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2

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1k

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files text-formatting text file-command file-types

modified Feb 13 at 10:18 JigglyNaga 5,805

14

votes

2

answers

1k

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How does ` … | awk '$1=$1'` remove extra spaces?

awk

modified Feb 20 at 10:42 msp9011 7,174

7

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7

answers

624

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How to cut a file starting from the line in which a certain pattern occurs?

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modified Feb 24 at 8:57 mosvy 21.2k

11

votes

4

answers

898

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Is there a unix-like system that doesn't come with Perl?

package-management perl

modified Feb 19 at 13:04 vonbrand 15.2k

4

votes

7

answers

673

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sed replace '\\\' with newline Linux

linux text-processing sed

modified Feb 20 at 15:19 Paulo Tomé 2,723

3

votes

2

answers

745

views

Why do bytes following a variable expansion in a double quoted string override the preceding bytes?

shell text-processing newlines

modified Feb 24 at 22:08 Stephen Kitt 229k

5

votes

2

answers

1k

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Exit doesn't work in shell script

shell-script

modified Feb 19 at 11:46 bobsburner 113

8

votes

2

answers

1k

views

Why doesn't the command tr “\'\\\”\?\!“ ”01234" work?

special-characters tr

modified Feb 9 at 17:49 αғsнιη 21.8k

4

votes

3

answers

933

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create empty img with dd so that it its sectors are of 4096bytes rather than 512

linux partition hard-disk dd

modified Feb 14 at 9:39 rexkogitans 855

7

votes

2

answers

674

views

What's the difference between 'hier(7)' and 'file-hierarchy(7)' man pages?

linux filesystems man

modified Feb 14 at 8:14 Stephen Kitt 229k

4

votes

5

answers

574

views

Using awk/sed to flip around some email address?

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modified Feb 1 at 11:50 roaima 56k

5

votes

2

answers

1k

views

“which” can't find location of executable even though it runs

path which

answered Feb 10 at 19:32 Community♦ 1

6

votes

9

answers

427

views

Position, by word count, of all repetitions of a word in a text file

grep wc

modified Feb 22 at 2:45 mosvy 21.2k

6

votes

2

answers

454

views

Writing a build script with if statements and function calls

bash

answered Feb 12 at 18:40 terdon♦ 160k

4

votes

5

answers

193

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bash sed command-line tail head

answered Feb 24 at 13:11 Rakesh Sharma 66

4

votes

2

answers

858

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Linux Kernel.org misleading about kernel panic

linux linux-kernel proc kernel-panic sysctl

modified Feb 20 at 12:36 Stephen Kitt 229k

4

votes

2

answers

809

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Does export serve any purpose in this code?

shell-script

modified Jan 29 at 17:43 roaima 56k

6

votes

2

answers

370

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What is the correct way to upgrade pip in stretch debian?

python pip

answered Feb 17 at 17:08 marcelm 1,718

6

votes

5

answers

270

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Add lines of a list as prefixes in filenames

bash text-processing

answered Feb 12 at 23:52 Ole Tange 19.4k

6

votes

2

answers

445

views

Is possible to define a bash script to run interactively by default?

bash shell-script scripting interactive

modified Feb 24 at 17:43 BANJOSA 481

3

votes

3

answers

270

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Use for loop variable in bash for other command

bash shell-script awk

answered Feb 18 at 18:07 Ed Morton 2,910

2

votes

4

answers

308

views

How can I check currently installed and in use versions of SSL and TLS?

curl ssl vsftpd ftps

modified Jan 30 at 9:17 kroov 29

3

votes

2

answers

196

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Match Exec failing to execute anything

ssh windows-subsystem-for-linux ssh-config

modified Feb 2 at 14:59 Kenster 1,908

8

votes

2

answers

239

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How can I get the current systemd log level and change it?

linux systemd logs

modified Feb 6 at 21:26 JdeBP 46.8k

5

votes

4

answers

110

views

Getting average of values in a field based on variable in another field

text-processing awk

answered 11 hours ago Praveen Kumar BS 2,622

5

votes

1

answer

571

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POSIX shell scripts shebang #!/bin/sh vs #!/usr/bin/env sh, any difference?

shell posix

modified 19 hours ago LinuxSecurityFreak 14.2k

5

votes

3

answers

432

views

Remove all files with particular name but different extensions at once

terminal delete macos

answered Feb 9 at 14:41 ctrl-alt-delor 18.3k

2

votes

3

answers

171

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bash awk sed printf nc

answered Feb 9 at 13:42 Ed Morton 2,910

8

votes

1

answer

415

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What does $(number) mean in a Makefile?

make

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2

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9

answers

321

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Find length of longest substring with non-repeating characters

bash text-processing

modified Feb 7 at 9:41 AdminBee 3,017

4

votes

4

answers

271

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awk start printing based on a condition

bash awk

answered Feb 5 at 14:55 Ed Morton 2,910

2

votes

4

answers

215

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`wc -l` alternative that displays the count, as it receives the lines

shell performance io wc

answered Feb 18 at 13:35 Ole Tange 19.4k

3

votes

1

answer

270

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What is this script doing?

bash shell-script io-redirection read exec

modified Feb 15 at 23:59 Paulo Tomé 2,723

4

votes

2

answers

203

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How is process priority calculated?

linux process priority

answered Feb 17 at 13:03 Stephen Kitt 229k

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