id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
201 |
How can I perform environment variables with `env -R`?
|
Shows environment variables.
|
linux-system
|
easy
|
202 |
Describe how to execute `wget -r`.
|
Retrieves files from the web.
|
linux-networking
|
medium
|
203 |
Describe how to execute `chgrp -R`.
|
Changes file group ownership.
|
linux-permissions
|
medium
|
204 |
What does `unalias -R` do?
|
Removes defined aliases.
|
linux-shell
|
easy
|
205 |
How do I use `echo -v`?
|
Displays a line of text or string.
|
linux-system
|
medium
|
206 |
How do I use `mkdir -a`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
207 |
How do I use `alias`?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
208 |
How can I perform extracting archives with `unzip -r`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
209 |
How do I use `chown`?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
210 |
Describe how to execute `chown -v`.
|
Changes file owner and group.
|
linux-permissions
|
easy
|
211 |
How can I perform viewing start of files with `head -l`?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
212 |
How can I perform system resource usage with `top`?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
213 |
How do I use `grep -l`?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
214 |
Which command shows copying files?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
215 |
Describe how to execute `sudo`.
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
216 |
How can I perform compressing files with `zip -l`?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
217 |
How can I perform superuser commands with `sudo`?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
218 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
219 |
How do I use `chmod`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
220 |
What does `more -R` do?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
221 |
Describe how to execute `ssh -R`.
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
222 |
Describe how to execute `pwd -R`.
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
223 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
224 |
What does `du -l` do?
|
Reports directory disk usage.
|
linux-system
|
easy
|
225 |
Describe how to execute `du -r`.
|
Reports directory disk usage.
|
linux-system
|
medium
|
226 |
What does `zip -R` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
227 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
228 |
How can I perform creating or updating files with `touch -r`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
easy
|
229 |
Describe how to execute `man -r`.
|
Shows the manual for commands.
|
linux-system
|
easy
|
230 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
231 |
How do I use `sudo`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
232 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
233 |
What does `scp` do?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
234 |
How can I perform searching files with `find -l`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
235 |
What does `alias -r` do?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
236 |
What does `touch -r` do?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
easy
|
237 |
Which command shows secure file copy?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
238 |
Describe how to execute `unzip -r`.
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
239 |
How do I use `ping -R`?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
240 |
How can I perform command path with `which -R`?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
241 |
Describe how to execute `mv -l`.
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
242 |
What does `curl -l` do?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
243 |
How can I perform changing file group with `chgrp -R`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
244 |
How can I perform searching patterns with `grep -r`?
|
Searches for patterns within files.
|
linux-text-processing
|
medium
|
245 |
How can I perform process status with `ps -l`?
|
Displays process status.
|
linux-system
|
medium
|
246 |
How do I use `ping -l`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
247 |
How do I use `unalias -r`?
|
Removes defined aliases.
|
linux-shell
|
medium
|
248 |
Describe how to execute `rm -l`.
|
Removes files or directories.
|
linux-filesystem
|
medium
|
249 |
How do I use `tar -v`?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
250 |
How can I perform deleting files with `rm -a`?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
251 |
What does `rmdir -r` do?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
252 |
How do I use `ls -v`?
|
Lists directory contents.
|
linux-filesystem
|
medium
|
253 |
Describe how to execute `grep`.
|
Searches for patterns within files.
|
linux-text-processing
|
medium
|
254 |
Describe how to execute `du -R`.
|
Reports directory disk usage.
|
linux-system
|
easy
|
255 |
How can I perform directory usage with `du -v`?
|
Reports directory disk usage.
|
linux-system
|
medium
|
256 |
Describe how to execute `df -v`.
|
Reports file system disk space usage.
|
linux-system
|
easy
|
257 |
How do I use `export`?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
258 |
What does `head -v` do?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
259 |
What does `rmdir -v` do?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
260 |
Which command shows searching files?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
261 |
What does `rm -l` do?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
262 |
Describe how to execute `ps -l`.
|
Displays process status.
|
linux-system
|
easy
|
263 |
Describe how to execute `tail -R`.
|
Displays the last lines of a file.
|
linux-text-processing
|
easy
|
264 |
What does `find -a` do?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
265 |
How do I use `export -v`?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
266 |
How do I use `history -a`?
|
Displays the command history.
|
linux-shell
|
medium
|
267 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
268 |
How can I perform network connectivity with `ping -l`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
269 |
Which command shows moving files?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
270 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
271 |
Describe how to execute `chgrp -a`.
|
Changes file group ownership.
|
linux-permissions
|
medium
|
272 |
Describe how to execute `rmdir -a`.
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
273 |
Which command shows removing shortcuts?
|
Removes defined aliases.
|
linux-shell
|
easy
|
274 |
What does `zip -l` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
275 |
Describe how to execute `env -v`.
|
Shows environment variables.
|
linux-system
|
medium
|
276 |
Which command shows viewing start of files?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
277 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
278 |
What does `rmdir -v` do?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
279 |
How can I perform superuser commands with `sudo`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
280 |
Which command shows viewing file contents?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
281 |
How do I use `unzip -a`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
282 |
How can I perform command manual with `man -l`?
|
Shows the manual for commands.
|
linux-system
|
medium
|
283 |
Describe how to execute `find -l`.
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
284 |
Describe how to execute `du`.
|
Reports directory disk usage.
|
linux-system
|
easy
|
285 |
Describe how to execute `grep -a`.
|
Searches for patterns within files.
|
linux-text-processing
|
medium
|
286 |
What does `mkdir -r` do?
|
Creates a new directory.
|
linux-filesystem
|
medium
|
287 |
Describe how to execute `man`.
|
Shows the manual for commands.
|
linux-system
|
medium
|
288 |
Describe how to execute `less -R`.
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
289 |
How do I use `rmdir -v`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
290 |
How can I perform permission changes with `chmod -R`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
291 |
What does `export -a` do?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
292 |
Describe how to execute `chgrp -v`.
|
Changes file group ownership.
|
linux-permissions
|
easy
|
293 |
What does `cat` do?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
294 |
What does `scp` do?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
295 |
Describe how to execute `man -a`.
|
Shows the manual for commands.
|
linux-system
|
medium
|
296 |
How can I perform stopping processes with `kill -v`?
|
Sends signals to processes.
|
linux-system
|
medium
|
297 |
How do I use `history -v`?
|
Displays the command history.
|
linux-shell
|
medium
|
298 |
How can I perform removing directories with `rmdir -r`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
299 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
300 |
How do I use `sudo -r`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
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