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false(1) [bsd man page]

FALSE(1)						      General Commands Manual							  FALSE(1)

NAME
false, true - provide truth values SYNOPSIS
true false DESCRIPTION
True and false are usually used in a Bourne shell script. They test for the appropriate status "true" or "false" before running (or fail- ing to run) a list of commands. EXAMPLE
while false do command list done SEE ALSO
csh(1), sh(1), true(1) DIAGNOSTICS
False has exit status nonzero. 4.2 Berkeley Distribution April 29, 1985 FALSE(1)

Check Out this Related Man Page

true(1) 						      General Commands Manual							   true(1)

NAME
true, false - Returns a standard exit value SYNOPSIS
true false STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: true: XCU5.0 false: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. DESCRIPTION
The true command returns a 0 (zero) exit value. The false command returns a nonzero exit value. These commands are usually used in input to shell commands. NOTES
The special built-in utility : (colon) is sometimes more efficient than the true command. EXIT STATUS
[Tru64 UNIX] The nonzero value returned by the false command may vary from system to system. EXAMPLES
To construct a loop in a shell procedure, enter: while true do date sleep 60 done This procedure displays the date and time once a minute. To stop it, press the Interrupt key sequence. SEE ALSO
Commands: csh(1), ksh(1), Bourne Shell sh(1b), POSIX shell sh(1p) Standards: standards(5) true(1)
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