Unix Questions et reponses d'entretien
Differences associees
Question 11. What is the use of the command "ls -x chapter[1-5]"
ls stands for list; so it displays the list of the files that starts with 'chapter' with suffix '1' to '5', chapter1, chapter2, and so on.
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Question 12. Is 'du' a command? If so, what is its use?
Yes, it stands for 'disk usage'. With the help of this command you can find the disk capacity and free space of the disk.
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Question 13. Is it possible to count number char, line in a file; if so, How?
Yes, wc-stands for word count.
wc -c for counting number of characters in a file.
wc -l for counting lines in a file.
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Question 14. Name the data structure used to maintain file identification?
'inode', each file has a separate inode and a unique inode number.
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Question 15. How many prompts are available in a UNIX system?
Two prompts, PS1 (Primary Prompt), PS2 (Secondary Prompt).
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Les plus utiles selon les utilisateurs :
- How are devices represented in UNIX?
- What is 'inode'?
- What difference between cmp and diff commands?
- Explain the steps that a shell follows while processing a command.
- Brief about the directory representation in UNIX