कम्प्युटर र सूचना प्रविधि (प्राविधिक)
कम्प्युटर र सूचना प्रविधि (प्राविधिक)
Computer & IT (Technical) · ५,०७६ प्रश्न
५,०७६ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर र IT: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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In Linux, the first user-space process started by the kernel at boot, with PID 1, is:
सही उत्तर: घ) init (systemd in many modern distributions)
The kernel starts init (or systemd), which then starts all other services and is the ancestor of every user process.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which Linux command shows the used and available space on mounted file systems?
सही उत्तर: ग) df
df reports disk space per file system; du shows space used by files and directories, and free shows RAM usage.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Linux, the command 'kill -9 1234' sends which signal to process 1234?
सही उत्तर: ख) SIGKILL
Signal 9 is SIGKILL, which terminates the process immediately and cannot be caught or ignored.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which Linux command searches files for lines that match a given pattern?
सही उत्तर: क) grep
grep prints lines matching a regular expression; find searches for files by name or attributes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which Linux command changes the owner of a file?
सही उत्तर: घ) chown
chown changes the owner (and optionally the group); chmod changes permissions and chgrp changes only the group.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Linux command 'chmod 640 report.txt' gives the group:
सही उत्तर: ग) Read permission only
In 640, the owner gets 6 (rw-), the group gets 4 (r--) and others get 0 (---).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Linux, if the umask is 022, a newly created regular file normally gets which permission?
सही उत्तर: ख) rw-r--r-- (644)
Regular files start from 666; removing the umask bits 022 gives 644, i.e. rw-r--r--.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Linux, a hard link differs from a symbolic (soft) link because a hard link:
सही उत्तर: क) Points directly to the same inode as the original file
A hard link is another directory entry for the same inode, so the data stays accessible until all hard links are removed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The directory structure that allows files and subdirectories to be shared, but does not permit cycles, is the:
सही उत्तर: क) Acyclic-graph directory
An acyclic graph lets the same file appear in several directories through links while forbidding cycles, which simplifies traversal and deletion.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A major disadvantage of linked file allocation is that:
सही उत्तर: घ) Direct (random) access to a particular block is inefficient
To reach the i-th block, the system must follow pointers from the first block, so random access is slow.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।