How do I run two commands in shell?

The semicolon (;) operator allows you to execute multiple commands in succession, regardless of whether each previous command succeeds. For example, open a Terminal window (Ctrl+Alt+T in Ubuntu and Linux Mint). Then, type the following three commands on one line, separated by semicolons, and press Enter.

Can shell script have multiple commands?

You can type multiple commands on the same line, but you must separate them with semicolons, but it is preferable to write commands on separate lines; this will make it simpler to read later.

How do I combine two commands in Linux?

4. Concatenate Commands Conditionally

4.1. Concatenate Commands With “&&“ The “&&” or AND operator executes the second command only if the preceding command succeeds.
4.2. Concatenate Commands With “||” The “||” or OR operator executes the second command only if the precedent command returns an error.

What are shell commands?

A shell is a computer program that presents a command line interface which allows you to control your computer using commands entered with a keyboard instead of controlling graphical user interfaces (GUIs) with a mouse/keyboard/touchscreen combination.

How do I run multiple scripts at once?

Try using the conditional execution & or the && between each command either with a copy and paste into the cmd.exe window or in a batch file. Additionally, you can use the double pipe || symbols instead to only run the next command if the previous command failed.

How do I run two shell scripts in parallel?

When nohup command use with ‘&’ then it doesn’t return to shell command prompt after running the command in the background. You can also execute all bash script of a directory using below command. GNU parallel is a shell tool for executing jobs in parallel using one or more computers.

How do I run two commands in one line in PowerShell?

To execute multiple commands in Windows PowerShell (a scripting language of Microsoft Windows), simply use a semicolon.

How do I run multiple shell scripts sequentially from one script?

try && like cmd1 && cmd2 , this means, cmd2 will run after cmd1 fineshed sucessfully.
This will run the jobs sequentially; when job1.sh finishes, job2.sh will start.
Can you please confirm that you have tried running the code you posted, and that you have found that it fails to do what you ask for?

Can you run two PowerShell scripts at the same time?

If you have Powershell 3.0+ you could use workflows . they are similar to functions, but have the advantage that you can run commands parallel. keep in mind that a workflow behaves like a function. so it needs to be loaded into the cache first, and then called by running the RunScripts command.

What is the command to execute a shell script?

The procedure to run the .sh file shell script on Linux is as follows: Open the Terminal application on Linux or Unix Create a new script file with .sh extension using a text editor Write the script file using nano script-name-here.sh Set execute permission on your script using chmod command : chmod +x script-name-here.sh

How do you write a shell script?

How to write shell script. Following steps are required to write shell script: (1) Use any editor like vi or mcedit to write shell script. (2) After writing shell script set execute permission for your script as follows. syntax: chmod permission your-script-name. Examples: $ chmod +x your-script-name.

How to write a shell script?

How to Write Shell Script in Linux/ Unix Shell Scripts are written using text editors. On your Linux system, open a text editor program, open a new file to begin typing a shell script or shell programming, then give the shell permission to execute your shell script and put your script at the location from where the shell can find it.

What is shell scripting and why you should use it?

What Is Shell Scripting and Why You Should Use It History of the Shell. Starting with Unix in the 1970s, there was a shell program called the V6 Shell developed by Ken Thomson. Executing a Shell Script. How do you execute a shell script? Task Automation. Combining Multiple Commands. Easier to Develop. Transparency. Portable.