Linux system-shell Programming-Basic Debug execution

Source: Internet
Author: User

Linux System-shell Programming-Basic Debug Executiona shell structure1 #! Shell that executes the script2 # Comment Line the annotation of the shell script is important and indispensable3 command and control structuretwo steps to create a shell program1 Creating a file that contains commands and control structures2 permissions to modify a file chmod u+xfor ordinary users with SH script executionThe script has R permissions, and the directory of the script has RX permissionscript execution for normal usersRx Permissions for scripts and scripts directories3 execution:./example or SH expample./indicates the current directory


Linux system-shell Programming-Basic Debug execution

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