Podcast
Questions and Answers
Shell scripts are only used for processing commands stored in files and cannot handle variables or control flow commands.
Shell scripts are only used for processing commands stored in files and cannot handle variables or control flow commands.
False
The Bourne Again Shell (bash) is faster and more user-friendly than the Bourne Shell (sh).
The Bourne Again Shell (bash) is faster and more user-friendly than the Bourne Shell (sh).
True
Shell scripts are useful for developers, security engineers, network engineers, and everyone who uses Windows OS.
Shell scripts are useful for developers, security engineers, network engineers, and everyone who uses Windows OS.
False
The Bourne Shell (sh) is compatible with the C Shell (csh).
The Bourne Shell (sh) is compatible with the C Shell (csh).
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Which family of computer operating systems does UNIX belong to?
Which family of computer operating systems does UNIX belong to?
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Most shell script systems are written to run under C Shell (csh) or Bourne Shell (sh).
Most shell script systems are written to run under C Shell (csh) or Bourne Shell (sh).
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What are the two main parts of an operating system?
What are the two main parts of an operating system?
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What are the characteristics of free software according to the text?
What are the characteristics of free software according to the text?
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Who were the developers of the original AT&T Unix?
Who were the developers of the original AT&T Unix?
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What type of tasks do system programs in an operating system perform?
What type of tasks do system programs in an operating system perform?
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Who created the first version of UNIX?
Who created the first version of UNIX?
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Which programming language was UNIX re-written in by Dennis Ritchie in 1973?
Which programming language was UNIX re-written in by Dennis Ritchie in 1973?
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In which year did Linus Torvalds create Linux?
In which year did Linus Torvalds create Linux?
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Who announced the GNU Project for creating a free operating system in 1984?
Who announced the GNU Project for creating a free operating system in 1984?
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What organization owns the Linux trademark and manages it under the Linux Foundation?
What organization owns the Linux trademark and manages it under the Linux Foundation?
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Study Notes
Shell Scripts and Shells
- Shell scripts are useful for developers, security engineers, network engineers, and Windows OS users.
- The Bourne Again Shell (bash) is faster and more user-friendly than the Bourne Shell (sh).
- The Bourne Shell (sh) is compatible with the C Shell (csh).
- Most shell script systems are written to run under C Shell (csh) or Bourne Shell (sh).
Operating Systems
- UNIX belongs to the family of multi-user, multi-tasking operating systems.
- The two main parts of an operating system are not specified in the text.
UNIX Development
- The original AT&T Unix was developed by Dennis Ritchie and Ken Thompson.
- Dennis Ritchie rewrote UNIX in the C programming language in 1973.
Linux and GNU Project
- Linus Torvalds created Linux in 1989 (not specified in the text, but widely known).
- Richard Stallman announced the GNU Project for creating a free operating system in 1984.
- The Linux trademark is owned and managed by the Linux Foundation.
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Description
Test your knowledge about shell scripting basics, including variables, control flow commands, and different types of shells like Bourne Shell, C Shell, Bourne Again Shell, and Korn shell.
