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Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] o filename extension 2nd 3rd 4th 5th Object file 2nd Octal number od utility OLDPWD variable onintr builtin 2nd Online documentation Open file open() system call OpenSSH authentication defined initial connection to public-key encryption Operating system defined generic proprietary Operator bash in expressions redirection bitwise & 2nd ^ | Boolean ! 2nd 3rd 4th & && 2nd 3rd 4th 5th 6th 7th 8th -a 2nd 3rd -o 2nd -or NOT SPACE 2nd | | || decrement 2nd increment logical [See Operator, Operator;Boolean] postdecrement 2nd postincrement 2nd predecrement preincrement relational short-circuiting table of opt directory 2nd OPTARG variable Optimizer, C compiler 2nd OPTIND variable Option bash [See bash, bash;features] combining defined 2nd OR operator Order file using sort Order of expansion, command line Ordinary file 2nd Organize a filesystem Other access out shell script Output append [See Append, Terminal;standard output] defined redirect standard [See Standard, output] Overlay a shell owd variable Owner access file, name of, display using ls 2nd |
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