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] [Y] [Z] echo command echo$SHELL command editing configuration files adding or changing environment variables adding set -o emacs command for ksh shells 2nd as root user changing paths bash csh ksh zsh changing prompts bash csh ksh zsh in compatible software modifying to request editor running order of configuration files 2nd setting aliases sourcing configuration files variables to leave unchanged viewing files for bash shell csh shell ksh shell zsh shell editors alternative choosing emacs about commands in exiting flags for meta key in saving files in spell check from menus spell check with menus starting using commands with ksh shell 2nd pico about checking spelling in cutting and pasting text in exiting flags for getting help getting help in saving files in 2nd spell checks in starting status line in setting configuration files to request switching vi about adding and deleting text in exiting importing files into modes in 2nd removing line numbering in saving files in saving in searching and replacing in starting eliminating duplicate files emacs about commands in exiting flags for meta key in saving files in spell check with menus starting using commands with ksh shell 2nd announcing vacations in automatically forwarding incoming choosing programs for commands and flags for composing and sending with mail with mutt with pine customizing pine encoding files to send via etiquette for figlets filtering with procmail forwarding with procmail learning to use spam filters reading with mail with mutt with pine sending from shell prompt 2nd signature files for subject lines in writing recipe for procmail command embedding commands looping with using ROT13 encoding in shell script encoding files about ROT13 in shell script table of commands and flags for using sed command with ROT13 ENV statements in ksh shell environment variables about adding or changing list to leave unchanged setting TERM showing current using input to customize using su - to ensure correct viewing, zsh configuration files Esc sequence (^[^[) Escape character for telnet etiquette for email executable scripts execute permission exit command exiting shells returning to previous shell with exiting and returning to previous shell emacs pico shells at end of session temporary shell vi expr utility 2nd expressions evaluating regular table of regular |