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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] #define statements (C), generating template file of $ENV file (read by Korn and Bash shells at startup) & (ampersand) && (logical AND) operator 2nd 3rd 4th &= (assignment) operator 2nd background execution, Bash and ksh 2nd background execution, tcsh bitwise AND operator 2nd ex command redirection symbol, Bash and ksh redirection symbol, tcsh replacement pattern metacharacter < > (angle brackets) < > redirection operator, Bash and ksh 2nd * (asterisk) ** exponentiation operator 2nd *= (assignment) operator 2nd 3rd filename metacharacter, Bash and ksh filename metacharacter, tcsh 2nd multiplication operator 2nd 3rd Unix metacharacter 2nd @ (at command) ex tcsh 2nd @ (at sign) array operator filename metacharacter, Bash and ksh ` (backquote) command substitution in Bash and ksh command substitution in tcsh \ (backslash) filename metacharacter line continuation in makefile quoting in Bash and ksh quoting in tcsh replacement pattern metacharacter search pattern metacharacter 2nd /bin/sh (Bourne shell) { } (braces) groups of commands ksh93 variable names containing . (dot) search pattern metacharacters string expansion characters, tcsh Unix metacharacter [ ] (brackets) [[ ]] command (Bash and ksh) [[.c.]] notation, specifying collating sequences [[=c=]] notation, matching characters with same weight enclosing array elements, Bash and ksh filename metacharacters, tcsh 2nd Unix metacharacters 2nd ^ (caret) ^= (assignment) operator 2nd 3rd bitwise exclusive OR operator 2nd exponentiation operator filename metacharacter, tcsh 2nd quick substitution, tcsh search pattern metacharacter Unix metacharacter [[:class:]] (character classes) : (colon) ex commands 2nd null command, Bash and ksh sed command tcsh command , (comma) operator $ (dollar sign) $" ", quoting in Bash and Korn shells $' ', quoting in Bash and Korn shells ${ ... } syntax, referencing arrays built-in Bash and Korn shell variable names field reference operator GDB convenience variable names GDB value history make utility macro names make utility, in command lines search pattern metacharacter 2nd variable substitution in Bash and ksh variable substitution in tcsh . (dot) Bash and ksh command ksh93 variable names containing Unix metacharacter 2nd = (equal sign) = = equality operator 2nd 3rd =~ string equality, tcsh assignment operator 2nd 3rd ex command sed command ! (exclamation mark) != (inequality) operator 2nd 3rd !~ regular expression nonmatch, awk !~ string inequality, tcsh ex command expanded to current command number in Korn shell filename metacharacter, Bash and ksh 2nd history substitution, tcsh negating pipeline, ksh and Bash negation in sed NOT operator 2nd 3rd redirection symbol, tcsh # (hash mark) #! command, invoking named shell #! command, invoking tcsh shell comments awk Bash and ksh sed tcsh - (hyphen) - - (auto-decrement) operator 2nd 3rd -= (assignment) operator 2nd 3rd filename metacharacter, Bash and ksh negation operator subtraction operator 2nd 3rd tag names and (cvs) < (left angle bracket) <& (file descriptor), Bash and ksh << bitwise left shift operator 2nd << redirection operator 2nd <<< redirection operator <<= (assignment) operator <= (less than or equal to) operator 2nd 3rd ex command less than operator 2nd 3rd redirection operator 2nd 3rd ( ) (parentheses) command grouping, Bash and ksh 2nd command grouping, tcsh enclosing make utility macro names Unix metacharacter 2nd % (percent) %= (assignment) operator 2nd 3rd modulus operator 2nd 3rd pattern rules in makefile lines replacement pattern metacharacter (ed) | (pipe character) Bash and ksh bitwise OR operator 2nd redirecting command output 2nd tcsh shell Unix metacharacter 2nd |& (execute coprocesses in ksh) |& (multiple redirection) |= (assignment) operator 2nd || (logical OR) operator 2nd 3rd 4th + (plus sign) ++ (auto-increment) operator 2nd 3rd += (assignment) operator 2nd 3rd addition operator 2nd 3rd filename metacharacter, Bash and ksh unary operator Unix metacharacter 2nd ? (question mark) ?: (inline conditional evaluation) 2nd filename metacharacter, Bash and ksh filename metacharacter, tcsh 2nd search pattern metacharacter 2nd " " (quotation marks, double) quoting in Bash and ksh quoting in tcsh ' ' (quotation marks, single) quoting in Bash and ksh quoting in tcsh "r" (remote) commands > (right angle bracket) >! redirection operator >& (multiple redirection) 2nd >&! (multiple redirection) >= (greater than or equal to) operator 2nd 3rd >> bitwise right shift operator 2nd >> redirection operator 2nd >>! redirection operator >>& (multiple redirection) >>&! (multiple redirection) >>= (assignment) operator >| redirection operator ex command greater than operator 2nd 3rd redirection operator 2nd 3rd ; (semicolon) command separator 2nd 3rd / (slash) /= (assignment) operator 2nd 3rd division operator 2nd 3rd ~ (tilde) binary inversion operator bitwise negation operator ex command filename metacharacter, Bash and ksh filename metacharacter, tcsh home directories in Bash and ksh home directories in tcsh 2nd home directory in CVS regular expression match operator replacement pattern metacharacter _ (underscore), tag names and . (dot) files .#file.revision .#filename.revision file .cshdirs file (tcsh) .cshrc file (tcsh) .cvsignore file (CVS) .cvspass file (CVS) .cvsrc file (CVS) .cvswrappers file (CVS) .exrc file (vi) .gdbinit file (GDB) .history file (tcsh) .inputrc file .login file (tcsh) .logout file (tcsh) .plan file .profile file shell variables, Bash and ksh .project file .rhosts file .so requests, eliminating in nroff or troff files .tcshrc file example /bin/ksh /etc/bash_completion file /etc/passwd file Bash and ksh tcsh /etc/profile file /usr/lib/rpm/rpmrc file :set command (vi) @include statements, gawk |
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