#!/bin/bash HowTo - Linux / Unix Q & A from nixCraft

How to use a here documents to write data to a file in bash script

last updated November 16, 2017 in BASH Shell, Linux, UNIX

How do I use a heredoc redirection feature (here documents) to write data to a file in my bash shell scripts?

How to run shell script in Linux

last updated January 16, 2019 in BASH Shell, CentOS, Debian / Ubuntu, Fedora Linux, Linux, RedHat and Friends, Suse

I am a new Linux system user. How do I run shell script in Linux? How do you execute .sh file in Linux?

Linux/UNIX: Bash Read a File Line By Line

last updated February 6, 2017 in BASH Shell, Korn Shell Scripting, Linux, UNIX

How do I read a text file line by line under a Linux or UNIX-like system using KSH or BASH shell?

Linux / UNIX: Change Bash To KSH Shell

last updated November 12, 2010 in BASH Shell, KSH Shell, Linux, UNIX

How do I change my current login shell from bash to ksh under Linux or UNIX or Apple OS X operating systems?

UNIX: Loop Through Files In A Directory

last updated July 1, 2010 in UNIX

How do I loop through files in a directory under UNIX like operating systems?

HowTo: Unix For Loop 1 to 100 Numbers

last updated July 16, 2011 in BASH Shell, KSH Shell, UNIX

I want to run a Unix command 100 times using a for loop from 1 to 100. Can you tell me how to take a block of numbers in a loop under KSH or BASH shell?

/bin/bash: bad interpreter: Text file busy Error and Solution

last updated January 6, 2009 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, RedHat and Friends, Suse, Troubleshooting, Ubuntu Linux, UNIX

Q. I’m getting an error as follows while trying to run a shell script over remote ssh session:

./myscript.sh
/bin/bash: bad interpreter: Text file busy

How do I fix this error message and run the script?