man pages section 1: User Commands
E
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echo(1)- echo arguments
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echo(1B)- echo arguments to standard output
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echo(1F)- put string on virtual output
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ed(1)- text editor
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edit(1)- text editor (variant of ex for casual users)
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egrep(1)- search a file for a pattern using full regular expressions
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eject(1)- eject media such as CD-ROM and floppy from drive
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elfdump(1)- dump selected parts of an object file
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enable(1)- enable/disable LP printers
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env(1)- set environment for command invocation
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eqn(1)- typeset mathematics test
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errange(1)- prompts for and validates an integer
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errdate(1)- prompts for and validates a date
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errgid(1)- prompts for and validates a group id
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errint(1)- display a prompt; verify and return an integer value
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erritem(1)- build a menu; prompt for and return a menu item
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error(1)- insert compiler error messages at right source lines
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errpath(1)- display a prompt; verify and return a pathname
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errstr(1)- display a prompt; verify and return a string answer
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errtime(1)- display a prompt; verify and return a time of day
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erruid(1)- prompts for and validates a user ID
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erryorn(1)- prompts for and validates yes/no
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eval(1)- shell built-in functions to execute other commands 
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ex(1)- text editor
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exec(1)- shell built-in functions to execute other commands 
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exit(1)- shell built-in functions to enable the execution of the shell to advance beyond its sequence of steps
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expand(1)- expand TAB characters to SPACE characters, and vice versa
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export(1)- shell built-in functions to determine the characteristics
for environmental variables of the current shell and its descendents 
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exportfs(1B)- translates exportfs options to share/unshare commands
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expr(1)- evaluate arguments as an expression
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expr(1B)- evaluate arguments as a logical, arithmetic, or string expression
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exstr(1)- extract strings from source files
 
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