shell - CentOS 7: What is /bin/sh? It looks like Bash but seems to …
Sep 9, 2021 · When I run a Centos 7 Docker Image like this docker run -it centos:7 bash Running something which is uses Process Substitution is fine (as expected, as Bash supports Process …
bash script, line1 #!/bin/sh - what does it mean?
Jul 5, 2004 · The script orion.sh, that came with the orion appserver, fails as follows: [root@wynnserv orionServer]# ./orion.sh start -bash: line 1: ./orion.sh: No
What is the difference if I start bash with "/bin/bash" or "/usr/bin ...
As far as I know, it is recommended to use #!/usr/bin/env bash because env is always located in /usr/bin directory while location of bash may vary from system to system. However, are there …
What is the difference between `ash` and `sh` shell on Linux?
Mar 4, 2022 · Historically, ash is the Almquist Shell. What does it mean to be "sh compatible"? gives its history in the overall context of sh -style shells, and Where to find the source code for …
shell script - Why the "-" in the "#! /bin/sh -" shebang? - Unix ...
While #! /bin/sh -- would work with POSIX shells, the #! /bin/sh - is more portable; in particular to ancient versions of sh. sh treating - as and end-of-option predates getopt() and the general …
POSIX shell scripts shebang #!/bin/sh vs #!/usr/bin/env sh, any ...
Feb 27, 2020 · On macOS, for example, /bin/bash is an antiquated POC, but one can get newer bash via homebrew. So I use #!/usr/bin/env bash if write a script for both my MBP and my …
When to use #!/bin/ksh and #!/bin/sh? Need example [duplicate]
If you make a script executable, the loader will treat the first line as an interpreter directive and use the specific program to run the script. In this case you are using the Korn Shell #!/bin/ksh …
how to configure /bin/csh, /bin/sh - LinuxQuestions.org
Mar 21, 2011 · Hello y'all. Am kinda of having problems understanding usage of this shells /bin/sh /bin/csh . Like you all know, let's assume your shell is /bin/bash,
shell - Use #!/bin/sh or #!/bin/bash for Ubuntu-OSX compatibility …
Feb 4, 2015 · As an added bonus, when started as /bin/sh bash de-activates some extensions (see the description of bash POSIX mode for details); so specifying #!/bin/bash is necessary to …
Why is the first line comment of .sh file necessary?
I was told that the first line shebang (#!/bin/bash) is necessary in the shell script file, and the file won't run accurately without this line. But I tested some scripts.