目录 Preface Acknowledgments Author biographies 1 The Linux/Unix operating system 1.1 Introduction 1.2 Files and directories 1.2.1 Pathnames and working directories 1.2.2 Filenames 1.3 Overview of UnirdLinux commands 1.3.1 Executables and paths 1.3.2 Special files 1.4 Basic commands 1.4.1 Getting help and information 1.4.2 Communicating with other computers 1.4.3 Creating, manipulating, and viewing files and directories 1.5 More on the C-shell 1.5.1 Shell variables 1.5.2 Environment variables 1.5.3 C-shell pattern matching 1.5.4 Using the C-shell history and event mechanisms 1.5.5 Standard input, standard output, and standard error 1.5.6 Redirecting input and output 1.5.7 Pipelines 1.5.8 Usage of quotes 2 Text editors 2.1 Vi 2.2 Emacs 3 The Fortran 90 programming language 3.1 Compilers 3.1.1 File extensions and compiling commands 3.2 Program layout 3.3 Variable declaration 3.3.1 Naming conventions 3.3.2 Data types 3.4 Basic expressions 3.4.1 Arithmetic operators and expressions 3.4.2 Relational operators 3.4.3 Logical expressions 3.5 Input and output 3.5.1 The READ statement 3.5.2 The WRITE statement 3.5.3 The FORMAT specification 3.5.4 File input and output(I/O) 3.6 Control structures 3.6.1 IF-blocks 3.6.2 DO loops 3.6.3 Nested loops 3.7 Modular programming 3.7.1 Intrinsic functions 3.7.2 Intrinsic subroutines
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