id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
3,501 |
Describe how to execute `head -v`.
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,502 |
Which command shows deleting files?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
3,503 |
How do I use `mkdir -v`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
3,504 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,505 |
How do I use `echo -a`?
|
Displays a line of text or string.
|
linux-system
|
medium
|
3,506 |
How can I perform network connectivity with `ping`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
3,507 |
What does `df -v` do?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,508 |
Describe how to execute `ssh`.
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,509 |
What does `ssh -a` do?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,510 |
Which command shows environment variables?
|
Shows environment variables.
|
linux-system
|
easy
|
3,511 |
What does `history -r` do?
|
Displays the command history.
|
linux-shell
|
medium
|
3,512 |
How can I perform command path with `which -R`?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
3,513 |
Describe how to execute `ls -l`.
|
Lists directory contents.
|
linux-filesystem
|
medium
|
3,514 |
How do I use `scp -v`?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
3,515 |
How can I perform data transfer with `curl -r`?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
3,516 |
How can I perform changing file group with `chgrp -l`?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
3,517 |
How can I perform directory usage with `du -l`?
|
Reports directory disk usage.
|
linux-system
|
medium
|
3,518 |
How do I use `sudo`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,519 |
How can I perform directory contents with `ls -l`?
|
Lists directory contents.
|
linux-filesystem
|
medium
|
3,520 |
How do I use `scp -a`?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
3,521 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
3,522 |
How can I perform superuser commands with `sudo -l`?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
3,523 |
How do I use `which`?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
3,524 |
Which command shows changing file group?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
3,525 |
What does `wget -r` do?
|
Retrieves files from the web.
|
linux-networking
|
medium
|
3,526 |
How can I perform setting variables with `export -a`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,527 |
How do I use `df -a`?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,528 |
How can I perform searching files with `find -a`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,529 |
Describe how to execute `df -R`.
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,530 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,531 |
How do I use `chgrp -l`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
3,532 |
Which command shows directory usage?
|
Reports directory disk usage.
|
linux-system
|
medium
|
3,533 |
Describe how to execute `sudo -l`.
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,534 |
Describe how to execute `unzip`.
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
3,535 |
How do I use `unzip -l`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
3,536 |
How do I use `more`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
3,537 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
3,538 |
Describe how to execute `df -r`.
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,539 |
How do I use `alias -R`?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
3,540 |
Describe how to execute `export -R`.
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
3,541 |
How do I use `rmdir`?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
3,542 |
Describe how to execute `df -v`.
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,543 |
Describe how to execute `rm -v`.
|
Removes files or directories.
|
linux-filesystem
|
medium
|
3,544 |
How can I perform viewing end of files with `tail -l`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,545 |
What does `cp` do?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
3,546 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,547 |
Describe how to execute `chown`.
|
Changes file owner and group.
|
linux-permissions
|
easy
|
3,548 |
Describe how to execute `mv -l`.
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
3,549 |
Which command shows searching patterns?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,550 |
Describe how to execute `alias`.
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
3,551 |
How can I perform disk usage with `df -R`?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,552 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
3,553 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
3,554 |
How do I use `sudo -v`?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
3,555 |
How do I use `df -r`?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,556 |
How do I use `kill -l`?
|
Sends signals to processes.
|
linux-system
|
medium
|
3,557 |
What does `less -R` do?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
3,558 |
Describe how to execute `touch -v`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
3,559 |
What does `zip -r` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,560 |
What does `curl -l` do?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
3,561 |
Which command shows deleting files?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
3,562 |
Which command shows changing file owner?
|
Changes file owner and group.
|
linux-permissions
|
easy
|
3,563 |
What does `mv -R` do?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
3,564 |
How can I perform command manual with `man -a`?
|
Shows the manual for commands.
|
linux-system
|
easy
|
3,565 |
How can I perform removing shortcuts with `unalias -r`?
|
Removes defined aliases.
|
linux-shell
|
easy
|
3,566 |
Describe how to execute `mv -v`.
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
3,567 |
How do I use `ping -r`?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
3,568 |
How can I perform moving files with `mv -a`?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
3,569 |
Describe how to execute `ping -R`.
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
3,570 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,571 |
What does `export -r` do?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,572 |
Describe how to execute `head -l`.
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,573 |
How can I perform paging through files with `less -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,574 |
How do I use `man -r`?
|
Shows the manual for commands.
|
linux-system
|
medium
|
3,575 |
How do I use `unalias -a`?
|
Removes defined aliases.
|
linux-shell
|
easy
|
3,576 |
How do I use `echo -l`?
|
Displays a line of text or string.
|
linux-system
|
easy
|
3,577 |
How can I perform permission changes with `chmod -R`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
3,578 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,579 |
How do I use `df -l`?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,580 |
How do I use `which -l`?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
3,581 |
How do I use `more -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,582 |
Describe how to execute `chmod -a`.
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
3,583 |
Describe how to execute `tar`.
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,584 |
Describe how to execute `tar`.
|
Archives files to a tarball.
|
linux-archives
|
medium
|
3,585 |
How do I use `zip -a`?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
3,586 |
What does `history` do?
|
Displays the command history.
|
linux-shell
|
easy
|
3,587 |
How can I perform data transfer with `curl -R`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
3,588 |
What does `find -a` do?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
3,589 |
Which command shows environment variables?
|
Shows environment variables.
|
linux-system
|
medium
|
3,590 |
What does `which -a` do?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
3,591 |
How can I perform secure shell connection with `ssh -l`?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,592 |
What does `ping` do?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
3,593 |
What does `unzip -r` do?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
3,594 |
What does `kill -l` do?
|
Sends signals to processes.
|
linux-system
|
medium
|
3,595 |
What does `chgrp -a` do?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
3,596 |
Which command shows secure shell connection?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,597 |
How do I use `rm -a`?
|
Removes files or directories.
|
linux-filesystem
|
easy
|
3,598 |
How do I use `unalias`?
|
Removes defined aliases.
|
linux-shell
|
easy
|
3,599 |
Describe how to execute `cat -v`.
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,600 |
How do I use `cp -R`?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
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