Title:
14406555-Shell-Programming
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Description: ShellProgramming
Basically, a shell script is a text file with Unix
commands in it.
u Shell scripts usually begin with a #! and a shell
name
– For example: #!/bin/sh
– If they do not, the user s current shell will be used
u Any Unix command can go in a shell script
– Commands are executed in order or in the flow
determined by control statements.
u Different shells have different control structures
– The #! line is very important
– We will write shell scripts with the Bourne shell (sh)
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