Shells
Shells commands are programs that work with the operating system as a command processor, used to enter commands and initiate their execution.
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1 Conditions
2 Case Statement
3 While Loop
4 For Loop
5 Flow Control
6 Testing
7 Escape Characters
8 Positional Parameters
9 Functions
10 cut
11 exit codes
12 Wildcards
13 Back Tics
14 Variables
15 script
16 echo
17 Script Anatomy
18 Bash Script
19 nano Search
20 nano Statistics
21 nano Spellcheck
22 nano Append a File
23 nano Movement
24 nano Color
25 nano Help
26 nano Editing
27 nano Introduction
28 vi Key Options
29 vi Save and Exit
30 vi split Screen
31 vi Global Replacement
32 vi Changing Text
33 vi Search
34 vi Buffers
35 vi Movement
36 vi Introduction
37 Set Variables
38 Enable Pipelines
39 Escaping and Quoting
40 Interprets Commands
41 Command Line
42 Shell Options
43 Path
44 Modify Prompt
45 Customize Environment
46 Background Jobs
47 Input / Output
48 File System
49 Compile a Program From Source
50 bc -- The Linux Command-line Calculator
51 Linux Search Utilities
52 Bash
53 Working Directory
54 Command-Line Scan