id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
3,201 |
How can I perform setting variables with `export -r`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,202 |
How can I perform process status with `ps -r`?
|
Displays process status.
|
linux-system
|
easy
|
3,203 |
Which command shows changing file group?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
3,204 |
Describe how to execute `scp -v`.
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
3,205 |
Which command shows command manual?
|
Shows the manual for commands.
|
linux-system
|
easy
|
3,206 |
Which command shows viewing start of files?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
3,207 |
How do I use `sudo -l`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,208 |
Describe how to execute `touch -a`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
3,209 |
Describe how to execute `touch -l`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
easy
|
3,210 |
How can I perform secure shell connection with `ssh -r`?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,211 |
Which command shows viewing end of files?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,212 |
Describe how to execute `curl -a`.
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
3,213 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
3,214 |
Describe how to execute `unzip -r`.
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
3,215 |
What does `zip -l` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
3,216 |
How do I use `scp -v`?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
3,217 |
Describe how to execute `rm -l`.
|
Removes files or directories.
|
linux-filesystem
|
medium
|
3,218 |
How do I use `head -R`?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,219 |
How can I perform creating or updating files with `touch -R`?
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
3,220 |
How can I perform viewing file contents with `cat -R`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,221 |
What does `chmod -r` do?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
3,222 |
What does `ps -R` do?
|
Displays process status.
|
linux-system
|
easy
|
3,223 |
Which command shows file retrieval?
|
Retrieves files from the web.
|
linux-networking
|
easy
|
3,224 |
Describe how to execute `find -R`.
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,225 |
Which command shows changing file owner?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
3,226 |
How can I perform extracting archives with `unzip -a`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
3,227 |
What does `ls` do?
|
Lists directory contents.
|
linux-filesystem
|
easy
|
3,228 |
Describe how to execute `curl -r`.
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
3,229 |
Which command shows searching files?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,230 |
How do I use `head -v`?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,231 |
What does `more -v` do?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,232 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,233 |
How can I perform moving files with `mv`?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
3,234 |
How can I perform permission changes with `chmod`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
3,235 |
How can I perform removing directories with `rmdir -v`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
3,236 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
3,237 |
What does `top -R` do?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
3,238 |
How do I use `more -r`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
3,239 |
How can I perform paging through files with `less -v`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,240 |
Describe how to execute `tar -l`.
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,241 |
How can I perform viewing start of files with `head -r`?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
3,242 |
How can I perform secure shell connection with `ssh -l`?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,243 |
Describe how to execute `tar`.
|
Archives files to a tarball.
|
linux-archives
|
medium
|
3,244 |
What does `kill -R` do?
|
Sends signals to processes.
|
linux-system
|
medium
|
3,245 |
What does `head -R` do?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
3,246 |
Which command shows viewing start of files?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
3,247 |
Which command shows removing shortcuts?
|
Removes defined aliases.
|
linux-shell
|
medium
|
3,248 |
What does `grep -v` do?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,249 |
How do I use `alias -a`?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
3,250 |
What does `history -a` do?
|
Displays the command history.
|
linux-shell
|
easy
|
3,251 |
Describe how to execute `zip -R`.
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,252 |
Which command shows copying files?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
3,253 |
Which command shows changing file group?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
3,254 |
How can I perform deleting files with `rm -l`?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
3,255 |
How do I use `ls -l`?
|
Lists directory contents.
|
linux-filesystem
|
medium
|
3,256 |
Which command shows command manual?
|
Shows the manual for commands.
|
linux-system
|
easy
|
3,257 |
Describe how to execute `df -r`.
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,258 |
What does `rmdir -r` do?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
3,259 |
How do I use `cat`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,260 |
Describe how to execute `find -a`.
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,261 |
Describe how to execute `rm -r`.
|
Removes files or directories.
|
linux-filesystem
|
easy
|
3,262 |
How do I use `wget -r`?
|
Retrieves files from the web.
|
linux-networking
|
medium
|
3,263 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,264 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
3,265 |
How can I perform setting variables with `export -l`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,266 |
How can I perform searching patterns with `grep -l`?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,267 |
Which command shows setting variables?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
3,268 |
How do I use `ssh -r`?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,269 |
How can I perform viewing file contents with `cat -a`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
3,270 |
Describe how to execute `ls -l`.
|
Lists directory contents.
|
linux-filesystem
|
easy
|
3,271 |
What does `grep -r` do?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,272 |
How do I use `chgrp -v`?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
3,273 |
Describe how to execute `rmdir -R`.
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
3,274 |
How can I perform removing directories with `rmdir`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
3,275 |
What does `env -a` do?
|
Shows environment variables.
|
linux-system
|
medium
|
3,276 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
3,277 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
3,278 |
Which command shows command history?
|
Displays the command history.
|
linux-shell
|
medium
|
3,279 |
Which command shows setting variables?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,280 |
How do I use `mv -R`?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
3,281 |
How do I use `echo -l`?
|
Displays a line of text or string.
|
linux-system
|
medium
|
3,282 |
How do I use `unalias`?
|
Removes defined aliases.
|
linux-shell
|
medium
|
3,283 |
How can I perform directory usage with `du -R`?
|
Reports directory disk usage.
|
linux-system
|
medium
|
3,284 |
Describe how to execute `export -v`.
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,285 |
How do I use `find`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,286 |
How do I use `mkdir -R`?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
3,287 |
What does `find -r` do?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
medium
|
3,288 |
How do I use `mv`?
|
Moves or renames files or directories.
|
linux-filesystem
|
medium
|
3,289 |
Describe how to execute `top -v`.
|
Displays real-time system tasks.
|
linux-system
|
medium
|
3,290 |
What does `chgrp -R` do?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
3,291 |
Describe how to execute `alias -r`.
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
3,292 |
Which command shows secure shell connection?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,293 |
How can I perform file retrieval with `wget`?
|
Retrieves files from the web.
|
linux-networking
|
easy
|
3,294 |
Which command shows searching files?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,295 |
Describe how to execute `top -R`.
|
Displays real-time system tasks.
|
linux-system
|
medium
|
3,296 |
What does `less -v` do?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
3,297 |
What does `ps -a` do?
|
Displays process status.
|
linux-system
|
medium
|
3,298 |
Which command shows network connectivity?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
3,299 |
How can I perform printing text with `echo -R`?
|
Displays a line of text or string.
|
linux-system
|
easy
|
3,300 |
How do I use `tar -l`?
|
Archives files to a tarball.
|
linux-archives
|
easy
|
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