What does bin KSH mean?

it signals that the script is to be executed by ksh (instead of any of the other shells) https://stackoverflow.com/questions/2673771/why-is-the-line-bin-ksh-is-the-first-line-in-a-shell-script/2673777#2673777.

What is ksh in shell script?

Ksh is an acronym for KornSHell. It is a shell and programming language that executes commands read from a terminal or a file. It was developed by David Korn at AT Bell Laboratories in the early 1980s.

What does #!/ bin CSH mean?

When you type in a command at the Unix prompt, you are interacting with the shell. E.g., #!/bin/csh refers to the C-shell, /bin/tcsh the t-shell, /bin/bash the bash shell, etc. You can tell which interactive shell you are using the echo $SHELL. command, or alternatively env | grep -i shell.

How do you debug a ksh script?

The verbose (–v) option causes the input to displayed as it is read. The xtrace (–x) option causes commands in Korn shell scripts to be displayed as they are executed. This is the most useful, general debugging option. For example, tscript could be run in trace mode if invoked “ksh –x tscript”.

How do I stop a ksh script?

Assuming it’s running in the background, under your user id: use ps to find the command’s PID. Then use kill [PID] to stop it. If kill by itself doesn’t do the job, do kill -9 [PID] . If it’s running in the foreground, Ctrl-C (Control C) should stop it.

Where is ksh?

Kenya
KSH or ksh may refer to: Kenyan shilling, the currency of Kenya.

What is in csh script?

csh is a command language interpreter with many powerful features, including a history mechanism (see History substitutions), job control facilities (see Jobs), interactive file name and username completion (see File Name Completion), and a C-like syntax.

What is the difference between bash and csh?

CSH is C shell while BASH is Bourne Again shell. C shell and BASH are both Unix and Linux shells. While CSH has its own features, BASH has incorporated the features of other shells including that of CSH with its own features which provides it with more features and makes it the most widely used command processor.

What does /bin/sh actually do?

It depends on what /bin/sh actually points to on your system. Often it is just a symlink to /bin/bash. Sometimes portable scripts are written with #!/bin/sh just to signify that it’s a shell script, but it uses whichever shell is referred to by /bin/sh on that particular system (maybe it points to /bin/bash, /bin/ksh or /bin/zsh)

How do I write a script with Ksh?

It is important that the path to the ksh is propper and that the line doesn not have more than 32 characters. The shell from which you are starting the script will find this line and and hand the whole script over to to ksh.

What is a function in Ksh?

A function (= procedure) must be defined before it is called, because ksh is interpreted at run time. It knows all the variables from the calling shell except the commandline arguments. But has it’s the script. It has an exit status but cannot return a value like a c funcition can.

What is a shell script?

As discussed previously, a shell script is nothing more than a set of commands saved in a file. When the script is executed, the set of commands in the file are passed to an interpreter for processing.