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What does the '-' operator actually do in Linux?

linux bash shell unix

Regex inside braces (curly brackets) -- gnu parallel / xargs / find

C program return codes and && bash symbol?

c bash shell unix

how to find out if running from terminal or GUI

c++ linux qt shell ubuntu

How to run two methods in parallel ruby

Split and rename the splitted files in shell script

linux shell unix

How to restart a service each hour?

linux bash shell ubuntu startup

json format each object in a line

json shell jsonlines

Reuse a command to pipe in bash

regex linux bash shell sed

run a basic digital clock in the python shell

python shell clock digital

install mysql 5.7 purely from bash script on Ubuntu

mysql linux bash shell ubuntu

exclamation mark to test variable is true or not in bash shell

shell

How to format a string date (with text and milliseconds) using AWK

bash shell unix awk

How to pass multiple parameter in hive script

shell hive hiveql

how to add new line at the end with awk

bash shell awk printf newline

Print file in particular order in bash

bash shell awk sed

Export git log to variable as multiline string

git shell

Some Unix commands fail with "<command> not found", when executed using Python Paramiko exec_command

python shell ssh paramiko

How to concat multiple fields to same line with jq [duplicate]

json bash shell jq

Are there good reasons not to exploit '#!/bin/make -f' at the top of a makefile to give an executable makefile?

linux unix shell makefile