Bash

less than 1 minute read

WIP Bash

echo print && and ; both command in the same line will || or exit codes $ last commands ./ current directory Ex.

echo "Hello world"
> Hello world

echo $?
> 0 #exit codes successful
> 1 #exit codes not successful anything is not 0

Command substitution

var_1=$("Test") # no space
var_2=${Test2}
echo "test $var_1"
echo "test $var_2"

cat lorem_ipsum

Pipe Symbol |

Function

function name_of_function(){
    return 
}

Give permission to the file chmod +x filename.sh ./filename.sh #type this in the command

grep is used for search can be used with the pipe command

-c count command -v not in -r recursive -C context -A after -B before -rni recursive, line number time to count