skill-tree:use:1:1:b
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skill-tree:use:1:1:b [2020/07/13 18:40] – [Aim] julian-user | skill-tree:use:1:1:b [2021/09/13 11:57] (current) – external edit 127.0.0.1 | ||
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At its core, a shell is simply a convenient tool that you can use to execute commands on a Linux computer. | At its core, a shell is simply a convenient tool that you can use to execute commands on a Linux computer. | ||
The shell provides a textual interface allowing to interact with the operating system and performing all possible operations, i.e., accessing and manipulating files, and running programs. | The shell provides a textual interface allowing to interact with the operating system and performing all possible operations, i.e., accessing and manipulating files, and running programs. | ||
+ | However, there are various misconceptions that new users typically face when handling a shell such as the Bash. | ||
+ | Particularly, | ||
+ | |||
+ | Part of this skill is the general principles of the interaction with a shell, to execute and to stop programs. | ||
- | Part of this module is the general principles of the interaction with a shell. They are illustrated on the widely available bash shell. | ||
# Aim | # Aim | ||
* To describe the key principles of a shell. | * To describe the key principles of a shell. | ||
- | * To execute basic programs and manipulate | + | * To execute basic programs |
# Outcomes | # Outcomes | ||
- | * Utilize the bash shell to execute individual programs with arguments | + | * Utilize the bash shell to execute individual programs with arguments. |
- | * Describe the meaning of the exit code of a program | + | * Describe the meaning of the exit code of a program. |
- | * Run multiple programs after another depending on the exit code ;, &&, || | + | * Run multiple programs after another depending on the exit code ;, &&, ||. |
* List the set of basic programs and their tasks: | * List the set of basic programs and their tasks: | ||
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- | * Utilize the available help of a program (--help argument and the man pages) | + | * exit |
- | * Interrupt or abort a program execution | + | * Utilize the available help of a program (--help argument and the man pages). |
- | | + | * Interrupt or abort a program execution: |
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- | * Use the shell history to search and execute | + | |
- | * Identify potential special characters that must be handled with care | + | * Use the shell history to search and execute |
- | * Utilize escaping to ensure correct handling of arguments | + | * Set and print shell variables. |
- | * Understand wildcard characters to select a group of files/ | + | * Print all currently set variables |
- | | + | * Identify potential special characters that must be handled with care. |
- | | + | * List strings that could refer to files/ |
- | * Use text editors | + | * Utilize escaping to ensure correct handling of arguments. |
+ | * Understand wildcard characters to select a group of files/ | ||
+ | | ||
+ | | ||
+ | * [-,] | ||
+ | * How to close popular command line text editors | ||
+ | * nano | ||
+ | * vi | ||
+ | * emacs | ||
# Subskills | # Subskills | ||
+ | * [[skill-tree: |
skill-tree/use/1/1/b.1594658423.txt.gz · Last modified: 2020/07/13 18:40 by julian-user