Commit | Line | Data |
---|---|---|
e6817382 BJ |
1 | .TH TRUE 1 |
2 | .SH NAME | |
3 | true, false \- provide truth values | |
4 | .SH SYNOPSIS | |
5 | .B true | |
6 | .PP | |
7 | .B false | |
8 | .SH DESCRIPTION | |
9 | .I True | |
10 | does nothing, successfully. | |
11 | .I False | |
12 | does nothing, unsuccessfully. | |
13 | They are typically used in input to | |
14 | .IR sh (1) | |
15 | such as: | |
16 | .PP | |
17 | while true | |
18 | .br | |
19 | do | |
20 | .br | |
21 | command | |
22 | .br | |
23 | done | |
24 | .SH "SEE ALSO" | |
25 | sh(1) | |
26 | .SH DIAGNOSTICS | |
27 | .I True | |
28 | has exit status zero, | |
29 | .I false | |
30 | nonzero. |