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This cheet cheet / general guide will explain what each command will do and when to use it. This cheet cheet / general guide will explain what each command will do and when to use it.
It's intended as a general guide/cheet cheet for linux beginners on the command line. It's intended as a general guide/cheet cheet for linux beginners on the command line.
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``` ```
In this example we are using [cat](#cat) to print out the contend of the testfile. That contend is piped via the pipe symbol `|` to [grep](#grep). Grep will search for a given string in our case test. So if a line in the testfile.txt has the string test in it grep will print out the lines with the given string in it In this example we are using [cat](#cat) to print out the contend of the testfile. That contend is piped via the pipe symbol `|` to [grep](#grep). Grep will search for a given string in our case test. So if a line in the testfile.txt has the string test in it grep will print out the lines with the given string in it
###### Redirecting ##### Redirecting
There is also another symbol used on the command line with the "output redirection operator" `>` you can redirect the output to a file There is also another symbol used on the command line with the "output redirection operator" `>` you can redirect the output to a file
```bash ```bash
apt list --installed > installedpackages.txt apt list --installed > installedpackages.txt
@ -199,7 +198,7 @@ If we would repeat that command it will overwrite the existing file but if we wa
echo "hi, this is a test" >> installedpackages.txt echo "hi, this is a test" >> installedpackages.txt
``` ```
###### Scripting ##### Scripting
If your want to combined commands you can write a shell script for that. You can use a graphical text editor like vscode or you could use a terminal text editor like [nano](#nano) or [vim](# Vi/Vim/Nvim) If your want to combined commands you can write a shell script for that. You can use a graphical text editor like vscode or you could use a terminal text editor like [nano](#nano) or [vim](# Vi/Vim/Nvim)
```bash ```bash
#!/bin/bash #!/bin/bash