Which shell is most powerful in unix?

Jackson Flatley asked a question: Which shell is most powerful in unix?
Asked By: Jackson Flatley
Date created: Sun, Apr 11, 2021 4:15 AM


Top best answers to the question «Which shell is most powerful in unix»

  1. Bash Shell. Bash stands for Bourne Again Shell and it is the default shell on many Linux distributions today…
  2. Tcsh/Csh Shell…
  3. Ksh Shell…
  4. Zsh Shell…
  5. Fish.


Those who are looking for an answer to the question «Which shell is most powerful in unix?» often ask the following questions:

😳 Which shell is most powerful?

  1. Bash Shell…
  2. Tcsh/Csh Shell…
  3. Ksh Shell…
  4. Zsh Shell…
  5. Fish.

😳 Original unix shell?

The first shell was 'sh', the Bourne Shell

😳 What is shell programming in unix?

A shell script is a file containing a set of commands to be executed (run) by the shell in sequence as it reads the file.

Your Answer

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What does exec do in an unix shell?

  • Execute Shell Script Using File Name Use the shell script file name to execute it either by using it's relative path or absolute path as shown below…
  • Execute Shell SCript by Specifying the Interpreter You can also execute a unix shell script by specifying the interpreter in the command line as shown below…
  • Execute Shell Script Using …

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What is the role of shell in unix?

The simple answer is that the shell is the interface between the user and the operating system kernel.

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How do i change the shell color in unix?

  1. tput bold – Bold effect.
  2. tput rev – Display inverse colors.
  3. tput sgr0 – Reset everything.
  4. tput setaf {CODE} – Set foreground color, see color {CODE} table below for more information.

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How do i schedule a shell script in unix?

  1. Create an ASCII text cron file, such as batchJob1. txt.
  2. Edit the cron file using a text editor to input the command to schedule the service…
  3. To run the cron job, enter the command crontab batchJob1…
  4. To verify the scheduled jobs, enter the command crontab -1 …
  5. To remove the scheduled jobs, type crontab -r .

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How do you change the root shell in unix?

Your login shell can be changed by using the chsh or ypchsh command.

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What is difference between shell and kernel in unix?

Shell is a program which allows the user to access the computer system. Shell is an interface between the user and computer system. Kernel is the only way through which the programs (all programs including shell) can access the hardware. Its a layer between the appliation programs and hardware. It is the core of most of the operating systems and manages everything including the communication between the hardware and software. KERNEL is the core part of operating system. It contain modules like device modules and other modules etc. Kernel is written in C language. Basically kernel is mediator between hardware and Operating System. But SHELL is an interface between users and operating system. Both are mediator but work is totally different. Let we have an example of "eject" command in Linux operating system: User give a command to Shell through input device like keyboard and see that command on video Device like monitor, but in actual concept is user give a command to shell, then this shell transfer that command to kernel.when kernel have module of that command then it transfer to hardware like CDROM. After that hardware behave as the module in kernel and then kernel again transfer the output to Shell. And finally shell transfer that output to user. Hardware <---> Kernel <---> Shell <---> User

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I am currently using windows xp2. for practice purpose i want to use unix shell scripting. without installing unix os how can i use the unix shell scripting?

You should be able to download the Unix Services for Windows, version 3.5, from Microsoft (free). There are other shell emulators that are available for Windows, which would allow you to use Unix type shell scripting without installing any additional OS. Your question about "virtual UNIX" is unclear ..

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Which shell is most common and best to use?

Explanation: Bash is near POSIX-compliant and probably the best shell to use. It is the most common shell used in UNIX systems. Bash is an acronym which stands for –“Bourne Again SHell”. It was first released in 1989 and was distributed widely as the default login shell for most Linux distributions.

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How can you compile and execute shell scripts in unix?

Shell scripts are plain text files; they do not need to be compiled. To make these scripts executable, you need to add an executable flag using chmod. Consider the following example: $ chmod +x myscript

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How do i change the name of my unix shell?

  • 1. What is my current Unix shell? Use echo $0 command to get your current shell name as shown below. 2. How to change my current shell to another type – temporarily ? Use exec command to change your shell temporarily as shown below. Note: The above change is temporary. When you relogin, you’ll go back to the original shell. 3.

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How do you read from file in unix shell script?

You will have to be more specific about what you intend to do. In general, a shell script by itself does not read file information and then do something with it. There may be calls to other scripting languages such as awk, perl, python, etc., that will actually read the information and process the data.

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What is a mini shell program used for in unix?

The mini shell program is used in Unix as a programming software. It is a redirected and streamlined approach at creating variables, commands, and tokens.

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Write a shell program in unix which dispay a following pattern 1 01 101 0101 10101?

#!/usr/bin/bash echo 1 01 101 0101 10101

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Which shell is the most common and best to use?

Explanation: Bash is near POSIX-compliant and probably the best shell to use. It is the most common shell used in UNIX systems.

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How do you change permissions on a shell script in unix?

Use the 'chmod' command to change permissions on any file. Note: you have to be the owner (or the superuser) to do this.

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How to debug a bash shell script under linux or unix?

  • There are various ways to debug a shell script. You need to pass the -x or -v argument to bash shell to walk through each line in the script. Let us see how to debug a bash script running on Linux and Unix using various methods.

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How to unzip a zip file using linux and unix shell?

  • If the unzip command NOT installed on your Linux or Unix box, then run any one of the following commands as per your Linux distribution to install the unzip command. The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting.

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What is the command to display the default shell in unix?

There isn't a concept of a 'default' shell in Unix; you may have a login shell specified by the system administrator for use when you log in. Although it isn't a fool-proof way to find your shell, you could use the command: echo $SHELL or use the 'finger' command to see what your default login shell environment is. You could also 'grep' for your information in the password file because the last field is your login environment shell.

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Write a shell script which deletes all line containing the word unix in the filesn suppiled as argument to this shell script?


Script to delete all lines containing the word 'unix' from

files supplied as arguments

Usage: SS29 file1 file2 file3 ...

if [$# -lt 2] then echo Insufficient arguments exit fi for file do grep -v unix $file>/temp/$file cp /temp/$file $file done

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How can you tell what shell you are running on unix system?

Go to the console application and write: echo $SHELL You will get something similar: /usr/local/bin/tcsh (Improved version of C Shell) /bin/bash (Bourne-again shell)

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