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sh    音标拼音: ['ɛs'etʃ]
Mercaptan \Mer*cap"tan\, n. [F., fr. NL. mercurius mercury L.
captans, p. pr. of captare to seize, v. intens. fr. capere.]
(Chem.)
Any one of series of compounds having an {-SH} radical
attached to a carbon atom, also considered as hydrosulphides
of alcohol radicals, in composition resembling the alcohols,
but containing sulphur in place of oxygen, and hence called
also the {sulphur alcohols}. In general, they are colorless
liquids having a strong, repulsive, garlic odor. The name is
specifically applied to ethyl mercaptan, {C2H5SH}. So called
from its avidity for mercury, and other metals.
[1913 Webster]


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  • shell - Difference between sh and Bash - Stack Overflow
    Bash is superset of sh Bash supports sh POSIX is a set of standards defining how POSIX-compliant systems should work Bash is not actually a POSIX compliant shell In a scripting language we denote the interpreter as #! bin bash Analogy: Shell is like an interface or specifications or API sh is a class which implements the Shell interface
  • linux - Whats a . sh file? - Stack Overflow
    sh files are unix (linux) shell executables files, they are the equivalent (but much more powerful) of bat files on windows So you need to run it from a linux console, just typing its name the same you do with bat files on windows
  • linux - What is bin sh -c? - Stack Overflow
    bin sh: This launches a Bourne shell, a basic command-line interpreter that is available on most Unix-like operating systems -c: This option tells the shell to read the command from the following string It allows you to specify a command inline, without the need to write a separate script file This option works in both sh and bash
  • linux - What exactly is the sh command? - Super User
    sh is the bourne shell There are several shells, of which bourne is the old standard, installed on all unix systems, and generally the one you can guarantee will exist The shell is the command interpreter that takes your input, provides output back to the screen, to the correct files, etc, and provides all the basic built-in commands you need
  • How to if else statement in shell script - Stack Overflow
    The if statement in shell uses the command [ Since [ is a command (you could also use 'test'), it requires a space before writing the condition to test
  • How do I execute a bash script in Terminal? - Stack Overflow
    It can work if sh is a symlink to bash, or if the script does not use any Bash-specific construct In the former case, using bash instead of sh is the only correct, portable solution; in the latter case, it's not the correct answer to this particular question, because the OP asked about advice for a Bash script specifically Perpetrating the
  • bash - What is the purpose of the `sh` command? - Super User
    Your line will search for sh in your path In most cases it will just execute bin sh which is in the path This will start a new process bin sh is not guaranteed to be bash, it is now on many systems bash but on several Unix system it is the Bourne shell If you execute bin sh you can just expect a shell adhering to the POSIX standard
  • sh - [: missing `] in bash script - Stack Overflow
    Difference between sh and Bash 4537 How do I check if a directory exists or not in a Bash shell script
  • What is the difference between using `sh` and `source`?
    The main difference is that they are executed in a different process So if you source a file foo which does a cd, the sourcing shell (e g your interactive shell in the terminal) is affected (and its current directory will change)
  • How to run . sh on Windows Command Prompt? - Stack Overflow
    In other words, Windows parses your command line as app build build sh (or, to paraphrase with Unix option conventions, app --build --build sh) You could try app\build\build sh but it is unlikely to work, because of the circumstances outlined above





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