
Why is echo a shell built in command? - Unix & Linux Stack …
$ which echo echo: shell built-in command. $ which ls /bin/ls $ which cat /bin/cat Why is echo not an independent utility like ls, ps, cat etc? Why is it shell specific? Any good reasons?
Difference between 'cat < file.txt' and 'echo < file.txt'
May 7, 2017 · What output did you expect from echo < file.txt? Input redirection works just fine, it's just that echo doesn't try to read anything from stdin.
echo text after curl command on same line - Unix & Linux Stack …
Jul 12, 2015 · echo $(curl -s -I https://google.com|grep Server)|cat -A shows that the value returned by curl has a ^M (a carriage return). When you print out the output of the curl, the …
Difference between 'ls' and 'echo $ (ls)' - Unix & Linux Stack …
May 17, 2016 · Consider the two shell samples $ ls myDoc.html SomeDirectory someDoc.txt and $ echo $(ls) myDoc.html SomeDirectory someDoc.txt The first executes ls which, as I …
How to detect new hard disk attached without rebooting?
Nov 14, 2017 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …
Why would echo $shell come up with a blank output?
Sep 2, 2021 · As a general note, using echo to print the content of shell variables is becoming discouraged in favor of printf, as also noted in the anwer by @Stéphane Chazelas.
How to make Systemd service file run echo commands that …
Feb 2, 2022 · Running systemctl status servicefile-name shows that the echo command ran without any errors: (code=exited, status=0/SUCCESS). I am clearly not using the correct echo …
quoting - How to echo `single quote` when using single quote to …
Mar 2, 2015 · How about this? echo 'It'"'"'s Shell Programming'. I just divide it as 3 strings, the first and the last surrounded by single quotes, but the middle one have a single quote surrounded …
What is the difference between the built in echo command and …
Regarding the echo builtin, see Why is echo a shell built in command?. Regarding which, see Why not use “which”? What to use then?
how to echo a space at the end without redundant quotes in one ...
Jul 28, 2023 · Out of curiosity (please indulge me), I want to have a bash variable containing the echo -n command outputting something. I want to know if it is possible to define it in a way to …