User Digital Trauma

129 votes

Is there a unix command that gives the minimum/maximum of two numbers?

scripting numeric-data

answered Feb 24, 2015 at 22:54

82 votes

Accepted

Write Python stdout to file immediately

answered Feb 2, 2015 at 21:54

48 votes

Accepted

Why are IPv4 TCP connections showing as tcp6?

networking tcp

answered Oct 21, 2015 at 20:16

30 votes

Loop Through Variables

bash shell-script

answered Jul 31, 2018 at 22:47

28 votes

Accepted

What does a dollar sign followed by a square bracket $[...] mean in bash?

bash arithmetic

answered Jun 15, 2015 at 17:19

23 votes

What's the fastest way to generate a 1 GB text file containing random digits?

files random

answered Nov 17, 2016 at 1:00

20 votes

Variable randomly chosen among three numbers (10, 100, and 1000)

shell-script variable random

answered Dec 15, 2016 at 23:07

16 votes

Accepted

stat: modification timestamp of a file

bash files timestamps stat portability

answered Mar 7, 2017 at 1:07

16 votes

print everything after a slash

text-processing sed

answered Dec 6, 2015 at 0:37

15 votes

How does curl protect a password from appearing in ps output?

security password curl ps arguments

answered Aug 11, 2017 at 23:43

13 votes

How to find a position of a character?

text-processing

answered Sep 2, 2014 at 17:51

13 votes

Accepted

How do I print all but the Nth to last line in sed?

text-processing sed scripting

answered Sep 25, 2014 at 20:18

12 votes

Convert rows to columns

text-processing sed awk

answered Jan 28, 2016 at 23:27

11 votes

How can the standard input of one program be passed as an arg to another?

bash io-redirection arguments

answered Jul 20, 2015 at 5:06

11 votes

How can I make a script to count up by fives?

bash shell scripting

answered Jul 23, 2015 at 20:09

10 votes

How to add new lines when using echo

stdout echo

answered Jul 30, 2015 at 19:40

9 votes

Showing all pages at once with man command

terminal command man

answered Mar 10, 2015 at 22:15

8 votes

Accepted

How to create loop sequence?

linux shell-script

answered Jun 8, 2015 at 21:53

8 votes

Delete all lines which don't have n characters before delimiter

text-processing sed grep text-formatting

answered Apr 10, 2019 at 20:03

8 votes

How can I control a shell script from outside while it is sleeping?

shell-script process

answered Feb 8, 2021 at 21:52

8 votes

How to recursively uncompress gz files on a remote host with limited commands?

ssh remote gzip

answered May 11, 2016 at 19:09

7 votes

Accepted

Infinite loop one liner for pen testing

bash ssh

answered Jan 19, 2016 at 0:36

7 votes

Running a subshell from the middle of the current command

command-line zsh

answered Mar 13, 2019 at 20:55

7 votes

What is the technical term for command line application environment programs?

command-line terminology

answered Jun 8, 2015 at 21:40

7 votes

How can I make a special file that executes code when read from

files filesystems

answered Sep 19, 2014 at 20:27

6 votes

Difficulty converting from binary to hexadecimal using bc

command-line bc

answered Mar 25, 2015 at 18:38

6 votes

How can I count the number of lines in a file after a grep match?

files grep csv

answered Jun 25, 2015 at 23:13

6 votes

Replace string after last dot in bash

bash shell-script string

answered Dec 21, 2015 at 23:18

6 votes

How to remove symbols from a column using awk

text-processing sed awk

answered Jan 14, 2016 at 23:40

6 votes

adding column in CSV file using awk

command-line text-processing awk

answered Aug 28, 2015 at 5:10

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104 Answers

Is there a unix command that gives the minimum/maximum of two numbers?

Write Python stdout to file immediately

Why are IPv4 TCP connections showing as tcp6?

Loop Through Variables

What does a dollar sign followed by a square bracket $[...] mean in bash?

What's the fastest way to generate a 1 GB text file containing random digits?

Variable randomly chosen among three numbers (10, 100, and 1000)

stat: modification timestamp of a file

print everything after a slash

How does curl protect a password from appearing in ps output?

How to find a position of a character?

How do I print all but the Nth to last line in sed?

Convert rows to columns

How can the standard input of one program be passed as an arg to another?

How can I make a script to count up by fives?

How to add new lines when using echo

Showing all pages at once with man command

How to create loop sequence?

Delete all lines which don't have n characters before delimiter

How can I control a shell script from outside while it is sleeping?

How to recursively uncompress gz files on a remote host with limited commands?

Infinite loop one liner for pen testing

Running a subshell from the middle of the current command

What is the technical term for command line application environment programs?

How can I make a special file that executes code when read from

Difficulty converting from binary to hexadecimal using bc

How can I count the number of lines in a file after a grep match?

Replace string after last dot in bash

How to remove symbols from a column using awk

adding column in CSV file using awk