ow do I use a heredoc redirection feature (here documents) to write data to a file in my bash shell scripts?
see lots of seasoned admins and cloud provider wrapper scripts use ssh client command as follows in shell:
ssh firstname.lastname@example.org --
What the double -- does here? Why it is used in this shell command and why not just use the following?
know how to display line numbers using vim text editor
. How do display line numbers in the left side for any text file under Unix or Linux operating systems?
ow do I concatenates the text files called first.doc and second.doc and writes the result to final.doc under Ubuntu Linux operating systems?
am new Linux and Unix-like system user who recently switched from MS-Windows XP. How do I save the output of a Linux / Unix ls
command to a file named “lists.txt” using command prompt or POSIX shell such as SH/KSH/BASH?
ow do I use the cat command to display the line numbers for a file called myapp.c under Linux or Unix like operating systems?
am a new Unix user. I have Debian Linux installed. I need to append text to a file called daily.log. How do I use the cat command to append data to a file?