True and false (commands) True and false (commands) In Unix-like operating systems, codice_1 and codice_2 are commands whose only function is to always return with a predetermined exit status. Programmers and scripts often use the exit status of a command to assess success (exit status zero) or failure (non-zero) of the command. The codice_1 and codice_2 commands represent the logical values of command success, because "true" returns 0, and "false" returns 1. The commands are usually employed in conditional statements and loops of shell scripts. For example, the following shell script repeats the "echo hello" loop until interrupted: while true do done The commands
Health in Egypt consumption of starchy and fatty foods without the presence of a health-conscious exercise culture is a major factor. As parents teach this lifestyle to their children, the prevalence of childhood obesity increases. Today, Egyptian teenagers drink three times as much soda as milk. Ten percent of males and females drink five or more cans of soda a day, which can lead to early osteoporosis in women in the future. These food habits are reinforced by junk food advertisements and the availability of unhealthy food at supermarkets. As a result, teenagers are three times as likely to be overweight than they