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break(1sh)

cd(1sh)

chdir(1sh)

continue(1sh)

csh(1csh)

echo(1sh)

eval(1sh)

exec(1sh)

exit(1sh)

export(1sh)

hash(1sh)

login(1)

pwd(1sh)

read(1sh)

readonly(1sh)

return(1sh)

set(1sh)

sh(1sh)

shift(1sh)

test(1sh)

times(1sh)

trap(1sh)

type(1sh)

ulimit(1sh)

umask(1sh)

unalias(1csh)

unset(1csh)

wait(1sh)

which(1sh)

execve(2)



UNSET(1SH)              COMMAND REFERENCE              UNSET(1SH)



NAME
     unset - remove variables and functions (sh built-in)

SYNOPSIS
     unset [ name . . .  ]

DESCRIPTION
     For each name, the corresponding variable or function is
     removed.

     The variables PATH, PS1, PS2, MAILCHECK, and IFS cannot be
     unset.

EXAMPLES
     The following command makes sure that there are no functions
     called ls defined:

          unset ls

RETURN VALUE
     [NO_ERRS]      Command completed without error.

     [NP_ERR]       An error occurred that was not a system
                    error.  Execution terminated.

CAVEATS
     The unset command is NOT the opposite of the set command.

SEE ALSO
     break(1sh), cd(1sh), chdir(1sh), continue(1sh), csh(1csh),
     echo(1sh), eval(1sh), exec(1sh), exit(1sh), export(1sh),
     hash(1sh), login(1), pwd(1sh), read(1sh), readonly(1sh),
     return(1sh), set(1sh), sh(1sh), shift(1sh), test(1sh),
     times(1sh), trap(1sh), type(1sh), ulimit(1sh), umask(1sh),
     unalias(1csh), unset(1csh), wait(1sh), which(1sh), and
     execve(2).



















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