diff --git a/1/check_grade.sh b/1_Shell-Programming/check_grade.sh similarity index 100% rename from 1/check_grade.sh rename to 1_Shell-Programming/check_grade.sh diff --git a/1/count_files.sh b/1_Shell-Programming/count_files.sh similarity index 100% rename from 1/count_files.sh rename to 1_Shell-Programming/count_files.sh diff --git a/2/pack_v1.c b/2_File-IO/pack_v1.c similarity index 100% rename from 2/pack_v1.c rename to 2_File-IO/pack_v1.c diff --git a/2/pack_v2.c b/2_File-IO/pack_v2.c similarity index 100% rename from 2/pack_v2.c rename to 2_File-IO/pack_v2.c diff --git a/2/unpack_v1.c b/2_File-IO/unpack_v1.c similarity index 100% rename from 2/unpack_v1.c rename to 2_File-IO/unpack_v1.c diff --git a/2/unpack_v2.c b/2_File-IO/unpack_v2.c similarity index 100% rename from 2/unpack_v2.c rename to 2_File-IO/unpack_v2.c diff --git a/3/fabo.c b/3_Process-Control/fabo.c similarity index 100% rename from 3/fabo.c rename to 3_Process-Control/fabo.c diff --git a/3/faboexec.c b/3_Process-Control/faboexec.c similarity index 100% rename from 3/faboexec.c rename to 3_Process-Control/faboexec.c diff --git a/4/calculator_fifo.c b/4_Signal-and-Piping/calculator_fifo.c similarity index 100% rename from 4/calculator_fifo.c rename to 4_Signal-and-Piping/calculator_fifo.c diff --git a/4/collector_calculator.c b/4_Signal-and-Piping/collector_calculator.c similarity index 100% rename from 4/collector_calculator.c rename to 4_Signal-and-Piping/collector_calculator.c diff --git a/4/collector_fifo.c b/4_Signal-and-Piping/collector_fifo.c similarity index 100% rename from 4/collector_fifo.c rename to 4_Signal-and-Piping/collector_fifo.c diff --git a/4/even_numbers.c b/4_Signal-and-Piping/even_numbers.c similarity index 100% rename from 4/even_numbers.c rename to 4_Signal-and-Piping/even_numbers.c