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What does semicolon do bash?
It means that the command is finished and the shell should execute it (provided the newline is not escaped). Semicolon is used to separate different commands on one line. Useful when working at an interactive terminal, not from a script.
What does semicolon do in Linux?
Linux Semicolon (;) you can put two or more commands on the same line separated by the semicolon. All the arguments before (;) will be treated as a separate command from all the arguments after the (;). All the commands will be executed sequentially waiting for each command to finish before starting the new one.
What is the use of semicolon in Unix?
When the shell sees a semicolon (;) on a command line, it’s treated as a command separator — basically like pressing the ENTER key to execute a command. When would you want to use a semicolon instead of pressing ENTER? It’s nice when you want to execute a series of commands, typing them all at once at a single prompt.
What is the command line called in Linux?
The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands.
What does a semicolon mean in a shell script?
A semicolon or ampersand (; or &) in a shell script is a command terminator. You can’t use it if it doesn’t follow a command. ; means “run the preceding command in the foreground” and & means “run the preceding command in the background”. A newline in a shell script is a “weak” command terminator.
Is the newline after Cat a semicolon or a newline?
A newline in a shell script is a “weak” command terminator. If there is a command to terminate, it’s equivalent to a semicolon. If there is no command to terminate, the newline has no effect. The newline after cat < > /home/$user/public_html/.htaccess terminates the cat … command.
How does the repeat function in PostgreSQL work?
The PostgreSQL repeat function repeats a string a specified number of times. The syntax for the repeat function in PostgreSQL is: The string to repeat. The number of times to repeat the string. If number is less than 1, the repeat function will return an empty string.