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Additional
Unix shell
English Wikipedia - The Free Encyclopedia
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Unix shell
A
Unix shell
is a
command-line interpreter
or
shell
that provides a traditional
Unix-like
command line
user interface
. Users direct the operation of the
computer
by entering commands as text for a
command line interpreter
to execute, or by creating text scripts of one or more such commands. Users typically interact with a Unix shell using a
terminal emulator
, however, direct operation via serial hardware connections, or networking session, are common for server systems. All Unix shells provide filename
wildcarding
,
piping
,
here documents
,
command substitution
,
variables
and
control structures
for
condition-testing
and
iteration
.
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