id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
401 |
How do I use `grep -a`?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
402 |
Describe how to execute `sudo`.
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
403 |
How can I perform viewing end of files with `tail -r`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
404 |
How can I perform superuser commands with `sudo -a`?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
405 |
How do I use `chgrp -r`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
406 |
Describe how to execute `unalias -r`.
|
Removes defined aliases.
|
linux-shell
|
medium
|
407 |
How can I perform archiving files with `tar -R`?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
408 |
How can I perform searching files with `find -a`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
409 |
Describe how to execute `less`.
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
410 |
How can I perform creating shortcuts with `alias`?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
411 |
How do I use `chown`?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
412 |
How do I use `sudo -R`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
413 |
Describe how to execute `mkdir -a`.
|
Creates a new directory.
|
linux-filesystem
|
medium
|
414 |
What does `chmod -r` do?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
415 |
How do I use `curl -l`?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
416 |
How do I use `mkdir -l`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
417 |
Which command shows disk usage?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
418 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
419 |
Describe how to execute `cat -v`.
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
420 |
What does `export` do?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
421 |
How do I use `less -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
422 |
How do I use `touch -l`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
423 |
How do I use `touch`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
424 |
What does `export -r` do?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
425 |
How can I perform secure file copy with `scp -R`?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
426 |
How do I use `curl -R`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
427 |
What does `chown -r` do?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
428 |
Describe how to execute `tail -R`.
|
Displays the last lines of a file.
|
linux-text-processing
|
easy
|
429 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
430 |
How can I perform file retrieval with `wget -R`?
|
Retrieves files from the web.
|
linux-networking
|
easy
|
431 |
What does `tar -r` do?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
432 |
What does `kill -l` do?
|
Sends signals to processes.
|
linux-system
|
medium
|
433 |
How do I use `mv -l`?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
434 |
Which command shows command history?
|
Displays the command history.
|
linux-shell
|
easy
|
435 |
How can I perform deleting files with `rm -l`?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
436 |
Describe how to execute `pwd -v`.
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
437 |
What does `pwd -a` do?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
438 |
How do I use `rm -l`?
|
Removes files or directories.
|
linux-filesystem
|
easy
|
439 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
440 |
How can I perform data transfer with `curl -r`?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
441 |
How do I use `less`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
442 |
Which command shows process status?
|
Displays process status.
|
linux-system
|
medium
|
443 |
Describe how to execute `touch -l`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
444 |
Which command shows superuser commands?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
445 |
Describe how to execute `scp -v`.
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
446 |
What does `wget -l` do?
|
Retrieves files from the web.
|
linux-networking
|
medium
|
447 |
How can I perform making directories with `mkdir -r`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
448 |
Which command shows command manual?
|
Shows the manual for commands.
|
linux-system
|
easy
|
449 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
450 |
Describe how to execute `sudo -R`.
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
451 |
Describe how to execute `sudo -l`.
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
452 |
Describe how to execute `ps -R`.
|
Displays process status.
|
linux-system
|
medium
|
453 |
Describe how to execute `cp`.
|
Copies files or directories.
|
linux-filesystem
|
medium
|
454 |
How do I use `curl -v`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
455 |
Describe how to execute `grep -R`.
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
456 |
How do I use `cat`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
457 |
How can I perform stopping processes with `kill -r`?
|
Sends signals to processes.
|
linux-system
|
easy
|
458 |
Describe how to execute `env -a`.
|
Shows environment variables.
|
linux-system
|
medium
|
459 |
What does `kill -r` do?
|
Sends signals to processes.
|
linux-system
|
easy
|
460 |
Describe how to execute `wget -l`.
|
Retrieves files from the web.
|
linux-networking
|
medium
|
461 |
What does `more -a` do?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
462 |
How can I perform current directory path with `pwd -r`?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
463 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
464 |
How can I perform superuser commands with `sudo -a`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
465 |
What does `scp -a` do?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
466 |
How do I use `mv -r`?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
467 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
468 |
How can I perform moving files with `mv -R`?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
469 |
How do I use `chgrp -a`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
470 |
What does `curl -a` do?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
471 |
Describe how to execute `cat -a`.
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
472 |
How can I perform stopping processes with `kill -R`?
|
Sends signals to processes.
|
linux-system
|
medium
|
473 |
How do I use `ping -R`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
474 |
Describe how to execute `mv -l`.
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
475 |
Describe how to execute `wget -r`.
|
Retrieves files from the web.
|
linux-networking
|
easy
|
476 |
What does `cat -l` do?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
477 |
How can I perform network connectivity with `ping -v`?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
478 |
How can I perform viewing file contents with `cat -R`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
479 |
How can I perform viewing file contents with `cat -r`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
480 |
How do I use `touch -R`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
481 |
Which command shows searching files?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
482 |
Which command shows process status?
|
Displays process status.
|
linux-system
|
easy
|
483 |
How can I perform paging through files with `less -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
484 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
485 |
How do I use `curl -v`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
486 |
How can I perform searching files with `find -v`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
487 |
What does `unalias` do?
|
Removes defined aliases.
|
linux-shell
|
easy
|
488 |
How can I perform deleting files with `rm -v`?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
489 |
Describe how to execute `echo -R`.
|
Displays a line of text or string.
|
linux-system
|
easy
|
490 |
How can I perform secure file copy with `scp -v`?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
491 |
How do I use `chgrp -r`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
492 |
What does `chgrp -r` do?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
493 |
Describe how to execute `find -r`.
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
494 |
Which command shows network connectivity?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
495 |
Which command shows disk usage?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
496 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
497 |
Describe how to execute `df -a`.
|
Reports file system disk space usage.
|
linux-system
|
easy
|
498 |
How do I use `more -r`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
499 |
Which command shows removing directories?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
500 |
How do I use `export -r`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
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