Q 2

545295f1 · mhammad · f2f9b24b · f2f9b24b · 545295f1
Commit 545295f1 authored Jun 30, 2024 by mhammad
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Showing with 524 additions and 4 deletions

ass.txt ass.txt +0 -4

quistiun2.txt quistiun2.txt +524 -0

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--- a/ass.txt
+++ b/ass.txt
-ahmad
-mohammad
-essa
-ahmad
--- a/quistiun2.txt
+++ b/quistiun2.txt
+
+mhammad@mhammad ~ $ mkdir new_file
+------------------
+mhammad@mhammad ~ $ cd new_file
+mhammad@mhammad ~/new_file $ touch file{1..10}_{a..z}
+mhammad@mhammad ~/new_file $ ll
+total 24
+drwxrwxr-x  2 mhammad mhammad 12288 Jun 30 22:46 ./
+drwxr-xr-x 42 mhammad mhammad 12288 Jun 30 22:45 ../
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file1_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file2_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file3_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file4_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file5_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file6_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file7_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file8_z
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_l
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_m
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_n
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_o
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_p
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_q
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_r
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_s
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_t
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_u
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_v
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_w
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_x
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_y
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file9_z
+------------
+mhammad@mhammad ~/new_file $ find . -type f -name "*x" -exec sed '1s/^/Hello linux/' {} \;
+------------
+#!/bin/bash
+mkdir ~/new_folder
+for letter in {a..z}; do
+    mkdir ~/new_folder/$letter
+    mv ~/new_folder/*_$letter ~/new_folder/$letter/
+done
+
+
+------------
+mhammad@mhammad ~/new_file $ find . -type f -name "*3*" -exec rm {} \;
+mhammad@mhammad ~/new_file $ find . -type f -name "*4*" -exec rm {} \;
+mhammad@mhammad ~/new_file $ ll
+total 148
+drwxrwxr-x 28 mhammad mhammad 12288 Jun 30 23:41 ./
+drwxr-xr-x 42 mhammad mhammad 12288 Jun 30 22:45 ../
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_a
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_b
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_c
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_d
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_e
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_f
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_g
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_h
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_i
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_j
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_k
+-rw-rw-r--  1 mhammad mhammad     0 Jun 30 22:46 file10_l
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+-rw-rw-r--  1 mhammad mhammad 15208 Jun 30 23:14 quistiun2.txt
+-rw-rw-r--  1 mhammad mhammad   144 Jun 30 23:30 script1.sh
+