15 Questions
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).
True
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).
False
Which family of computer operating systems does UNIX belong to?
AT&T Unix
Most shell script systems are written to run under C Shell (csh) or Bourne Shell (sh).
False
What are the two main parts of an operating system?
Kernel and system programs
What are the characteristics of free software according to the text?
Studied, distributed, and modified
Who were the developers of the original AT&T Unix?
Ken Thompson and Dennis Ritchie
What type of tasks do system programs in an operating system perform?
Higher-level housekeeping tasks and acting as servers
Who created the first version of UNIX?
Ken Thompson and Dennis Ritchie
Which programming language was UNIX re-written in by Dennis Ritchie in 1973?
C language
In which year did Linus Torvalds create Linux?
1991
Who announced the GNU Project for creating a free operating system in 1984?
Richard Stallman
What organization owns the Linux trademark and manages it under the Linux Foundation?
The Linux Mark Institute
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.
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.
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