the printf() function is used to print both strings and variables to the screen while the puts() function only permits you to print a string ... ... <看更多>

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... vsprintf: Sends formatted output to a string using argument list. ... instead of ClrScr if you want to use TTY printing functions like puts, printf etc. ... <看更多>

Both echo and printf are built-in commands ( printf is Bash built-in since v2.0.2, 1998). echo always exits with a 0 status, and simply prints arguments ... ... <看更多>