id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
301 |
Which command shows removing directories?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
302 |
Which command shows copying files?
|
Copies files or directories.
|
linux-filesystem
|
easy
|
303 |
What does `touch -r` do?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
easy
|
304 |
What does `env` do?
|
Shows environment variables.
|
linux-system
|
medium
|
305 |
How can I perform viewing end of files with `tail -a`?
|
Displays the last lines of a file.
|
linux-text-processing
|
easy
|
306 |
How do I use `mv -R`?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
307 |
How do I use `head -l`?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
308 |
How do I use `more -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
309 |
What does `pwd` do?
|
Prints the current working directory.
|
linux-filesystem
|
easy
|
310 |
How do I use `ls -l`?
|
Lists directory contents.
|
linux-filesystem
|
medium
|
311 |
Which command shows permission changes?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
312 |
Describe how to execute `cat -v`.
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
313 |
Describe how to execute `mv -r`.
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
314 |
What does `curl -R` do?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
315 |
How can I perform data transfer with `curl -a`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
316 |
Describe how to execute `wget -l`.
|
Retrieves files from the web.
|
linux-networking
|
easy
|
317 |
Describe how to execute `cp -r`.
|
Copies files or directories.
|
linux-filesystem
|
medium
|
318 |
Describe how to execute `rmdir -r`.
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
319 |
How can I perform making directories with `mkdir -l`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
320 |
Which command shows moving files?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
321 |
How can I perform archiving files with `tar -R`?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
322 |
How can I perform network connectivity with `ping -R`?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
323 |
What does `rmdir -v` do?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
324 |
How do I use `top -r`?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
325 |
Describe how to execute `du -r`.
|
Reports directory disk usage.
|
linux-system
|
medium
|
326 |
Describe how to execute `rmdir -l`.
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
327 |
How do I use `less -l`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
328 |
What does `mv` do?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
329 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
330 |
How can I perform creating shortcuts with `alias`?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
331 |
Which command shows creating or updating files?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
332 |
How can I perform copying files with `cp -l`?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
333 |
How can I perform process status with `ps`?
|
Displays process status.
|
linux-system
|
easy
|
334 |
Describe how to execute `grep -v`.
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
335 |
How can I perform removing directories with `rmdir -l`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
336 |
How can I perform creating or updating files with `touch -l`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
easy
|
337 |
How can I perform system resource usage with `top -R`?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
338 |
Which command shows environment variables?
|
Shows environment variables.
|
linux-system
|
easy
|
339 |
Which command shows current directory path?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
340 |
How do I use `ps`?
|
Displays process status.
|
linux-system
|
easy
|
341 |
Describe how to execute `unalias -v`.
|
Removes defined aliases.
|
linux-shell
|
easy
|
342 |
What does `grep -v` do?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
343 |
Describe how to execute `wget -a`.
|
Retrieves files from the web.
|
linux-networking
|
medium
|
344 |
How do I use `ping -l`?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
345 |
Which command shows changing file group?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
346 |
How do I use `cp -a`?
|
Copies files or directories.
|
linux-filesystem
|
easy
|
347 |
Describe how to execute `mkdir -l`.
|
Creates a new directory.
|
linux-filesystem
|
medium
|
348 |
Describe how to execute `scp -R`.
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
349 |
How can I perform paging through files with `more -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
350 |
What does `ps -r` do?
|
Displays process status.
|
linux-system
|
medium
|
351 |
How can I perform command history with `history -r`?
|
Displays the command history.
|
linux-shell
|
medium
|
352 |
Describe how to execute `rm -a`.
|
Removes files or directories.
|
linux-filesystem
|
easy
|
353 |
Which command shows directory contents?
|
Lists directory contents.
|
linux-filesystem
|
easy
|
354 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
355 |
Describe how to execute `touch`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
356 |
Describe how to execute `pwd -a`.
|
Prints the current working directory.
|
linux-filesystem
|
easy
|
357 |
Which command shows data transfer?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
358 |
What does `zip -v` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
359 |
What does `chmod -r` do?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
360 |
How can I perform removing shortcuts with `unalias -r`?
|
Removes defined aliases.
|
linux-shell
|
medium
|
361 |
What does `unzip -l` do?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
362 |
How do I use `chmod -l`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
363 |
Describe how to execute `kill`.
|
Sends signals to processes.
|
linux-system
|
easy
|
364 |
How can I perform viewing end of files with `tail -r`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
365 |
Describe how to execute `wget`.
|
Retrieves files from the web.
|
linux-networking
|
medium
|
366 |
Which command shows directory usage?
|
Reports directory disk usage.
|
linux-system
|
easy
|
367 |
What does `mv -R` do?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
368 |
How do I use `ps -l`?
|
Displays process status.
|
linux-system
|
easy
|
369 |
Which command shows removing directories?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
370 |
How do I use `pwd -R`?
|
Prints the current working directory.
|
linux-filesystem
|
easy
|
371 |
Describe how to execute `pwd -v`.
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
372 |
Describe how to execute `unalias -R`.
|
Removes defined aliases.
|
linux-shell
|
medium
|
373 |
Describe how to execute `df -a`.
|
Reports file system disk space usage.
|
linux-system
|
easy
|
374 |
Which command shows secure shell connection?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
375 |
Which command shows command history?
|
Displays the command history.
|
linux-shell
|
easy
|
376 |
Describe how to execute `chgrp -r`.
|
Changes file group ownership.
|
linux-permissions
|
easy
|
377 |
Which command shows copying files?
|
Copies files or directories.
|
linux-filesystem
|
easy
|
378 |
How can I perform making directories with `mkdir -R`?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
379 |
How can I perform network connectivity with `ping -R`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
380 |
How do I use `sudo -R`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
381 |
How can I perform environment variables with `env -r`?
|
Shows environment variables.
|
linux-system
|
easy
|
382 |
What does `cp -r` do?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
383 |
How do I use `mkdir -R`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
384 |
Describe how to execute `tail -v`.
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
385 |
How can I perform file retrieval with `wget -R`?
|
Retrieves files from the web.
|
linux-networking
|
easy
|
386 |
Which command shows stopping processes?
|
Sends signals to processes.
|
linux-system
|
medium
|
387 |
How can I perform extracting archives with `unzip -l`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
388 |
Which command shows directory usage?
|
Reports directory disk usage.
|
linux-system
|
easy
|
389 |
Describe how to execute `alias -v`.
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
390 |
How can I perform paging through files with `less -v`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
391 |
How can I perform directory usage with `du`?
|
Reports directory disk usage.
|
linux-system
|
easy
|
392 |
Describe how to execute `ps -l`.
|
Displays process status.
|
linux-system
|
easy
|
393 |
What does `env -v` do?
|
Shows environment variables.
|
linux-system
|
medium
|
394 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
395 |
Describe how to execute `wget`.
|
Retrieves files from the web.
|
linux-networking
|
medium
|
396 |
Which command shows permission changes?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
397 |
Describe how to execute `echo -l`.
|
Displays a line of text or string.
|
linux-system
|
easy
|
398 |
How do I use `head -a`?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
399 |
How can I perform changing file owner with `chown`?
|
Changes file owner and group.
|
linux-permissions
|
easy
|
400 |
How do I use `du -R`?
|
Reports directory disk usage.
|
linux-system
|
medium
|
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