Echo manual bash

This is a BASH shell builtin, to display your local syntax from the bash prompt type: help echo There is also an echo utility (man echo), but the shell built-in . The full documentation for echo is maintained as a Texinfo manual. If the info and echo programs are properly installed at your site, the command info coreutils aqecho invocationaq. should give you access to the complete manual. Referenced By. This manual is meant as a brief introduction to features found in Bash. The Bash manual page should be used as the definitive reference on shell behavior. • Introduction: An introduction to the shell. A simple shell command such as echo a b c .

Outputs one or more expressions, with no additional newlines or spaces. echo is not a function but a language construct. Its arguments are a list of expressions following the echo keyword, separated by commas, and not delimited by parentheses. Unlike some other language constructs, echo does not have any return value, so it cannot be used in the context of an expression. Bash Manual 4 Manual: Appendices 5 Manual: Indexes 59 Builtin Commands Functions Parameters and Variables 21 Reserved Words The page failed to load. Example 1: Access the Manual Page for a Given Command. Accessing the Manual Page for a given command could not be easier while you are working on the command line. Simply prefix the command with man: man ls. Will bring up the manual page for the ls command! Within this page, simply type / to start entering a search term to look for.

These definitions are used throughout the remainder of this manual. POSIX A family of open system standards based on Unix. Bash is primarily concerned with the Shell and Utilities portion of the posix standard. blank A space or tab character. builtin A command that is implemented internally by the shell itself, rather than by. This is Edition , last updated 21 December , of The GNU Bash Reference Manual, for Bash, Version Bash contains features that appear in other popular shells, and some features that only appear in Bash. Almost all Linux commands out there have either a man page or help section to understand how to use that command. The help manual of echo command is included in the Bash manual page. To access the man page for bash command, run: $ man bash. Now, type /echo and press n to until you see the help section of echo command.