id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
101 |
Which command shows command path?
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
102 |
What does `head -a` do?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
103 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
104 |
How can I perform paging through files with `more -l`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
105 |
What does `man -l` do?
|
Shows the manual for commands.
|
linux-system
|
easy
|
106 |
How can I perform paging through files with `less -a`?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
107 |
How can I perform deleting files with `rm`?
|
Removes files or directories.
|
linux-filesystem
|
medium
|
108 |
Which command shows process status?
|
Displays process status.
|
linux-system
|
medium
|
109 |
What does `env -R` do?
|
Shows environment variables.
|
linux-system
|
medium
|
110 |
Which command shows removing shortcuts?
|
Removes defined aliases.
|
linux-shell
|
easy
|
111 |
How can I perform system resource usage with `top`?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
112 |
What does `kill -r` do?
|
Sends signals to processes.
|
linux-system
|
medium
|
113 |
What does `export -l` do?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
114 |
Describe how to execute `curl -l`.
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
115 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
116 |
Describe how to execute `which -r`.
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
117 |
Which command shows setting variables?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
118 |
Which command shows creating shortcuts?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
119 |
How can I perform printing text with `echo -r`?
|
Displays a line of text or string.
|
linux-system
|
medium
|
120 |
Describe how to execute `ping -r`.
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
121 |
How do I use `curl -r`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
122 |
How can I perform changing file owner with `chown -R`?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
123 |
Which command shows making directories?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
124 |
What does `which -a` do?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
125 |
How can I perform viewing end of files with `tail -r`?
|
Displays the last lines of a file.
|
linux-text-processing
|
easy
|
126 |
How can I perform network connectivity with `ping -r`?
|
Checks network connectivity to a host.
|
linux-networking
|
easy
|
127 |
Describe how to execute `tar -r`.
|
Archives files to a tarball.
|
linux-archives
|
easy
|
128 |
What does `grep -v` do?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
129 |
How do I use `top -a`?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
130 |
How do I use `cp -R`?
|
Copies files or directories.
|
linux-filesystem
|
easy
|
131 |
Describe how to execute `ping -a`.
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
132 |
How can I perform superuser commands with `sudo -R`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
133 |
How do I use `alias -r`?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
134 |
How do I use `sudo -l`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
135 |
How do I use `wget -r`?
|
Retrieves files from the web.
|
linux-networking
|
medium
|
136 |
Which command shows superuser commands?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
137 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
138 |
How do I use `cat -a`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
medium
|
139 |
How do I use `grep -v`?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
140 |
Which command shows extracting archives?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
141 |
How do I use `unzip`?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
142 |
What does `tar -R` do?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
143 |
Which command shows secure shell connection?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
144 |
How can I perform archiving files with `tar -r`?
|
Archives files to a tarball.
|
linux-archives
|
easy
|
145 |
Which command shows secure file copy?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
146 |
Describe how to execute `scp`.
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
147 |
How do I use `zip -v`?
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
148 |
How can I perform viewing file contents with `cat -R`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
149 |
How can I perform compressing files with `zip -R`?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
150 |
Describe how to execute `mkdir -v`.
|
Creates a new directory.
|
linux-filesystem
|
easy
|
151 |
What does `ping -a` do?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
152 |
How do I use `tar -l`?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
153 |
Describe how to execute `df -l`.
|
Reports file system disk space usage.
|
linux-system
|
medium
|
154 |
What does `unzip -l` do?
|
Extracts files from a ZIP archive.
|
linux-archives
|
medium
|
155 |
How can I perform permission changes with `chmod -v`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
156 |
What does `ps -a` do?
|
Displays process status.
|
linux-system
|
easy
|
157 |
How do I use `chmod -a`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
158 |
How do I use `export -a`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
159 |
What does `ssh -v` do?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
160 |
Which command shows network connectivity?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
161 |
How can I perform searching files with `find -R`?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
162 |
What does `find -l` do?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
163 |
Describe how to execute `chgrp -R`.
|
Changes file group ownership.
|
linux-permissions
|
medium
|
164 |
How can I perform command path with `which`?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
165 |
Which command shows removing directories?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
166 |
Which command shows removing shortcuts?
|
Removes defined aliases.
|
linux-shell
|
medium
|
167 |
How can I perform stopping processes with `kill`?
|
Sends signals to processes.
|
linux-system
|
medium
|
168 |
Describe how to execute `ls -r`.
|
Lists directory contents.
|
linux-filesystem
|
easy
|
169 |
Describe how to execute `top -l`.
|
Displays real-time system tasks.
|
linux-system
|
easy
|
170 |
How can I perform system resource usage with `top -a`?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
171 |
Describe how to execute `export -R`.
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
172 |
How can I perform system resource usage with `top -v`?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
173 |
What does `df -a` do?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
174 |
Describe how to execute `sudo -a`.
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
175 |
Describe how to execute `du`.
|
Reports directory disk usage.
|
linux-system
|
medium
|
176 |
How do I use `pwd -r`?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
177 |
Which command shows paging through files?
|
Views file contents one screen at a time.
|
linux-text-processing
|
medium
|
178 |
How can I perform creating shortcuts with `alias`?
|
Creates a shortcut to a command.
|
linux-shell
|
easy
|
179 |
Describe how to execute `mkdir -a`.
|
Creates a new directory.
|
linux-filesystem
|
medium
|
180 |
Describe how to execute `alias -a`.
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
181 |
What does `sudo` do?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
182 |
How do I use `head -r`?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
183 |
Describe how to execute `history -l`.
|
Displays the command history.
|
linux-shell
|
medium
|
184 |
How can I perform system resource usage with `top -v`?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
185 |
Describe how to execute `ps -v`.
|
Displays process status.
|
linux-system
|
medium
|
186 |
How do I use `chgrp -l`?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
187 |
What does `which -l` do?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
188 |
Describe how to execute `which -a`.
|
Shows the full path of shell commands.
|
linux-system
|
medium
|
189 |
How can I perform command history with `history -R`?
|
Displays the command history.
|
linux-shell
|
medium
|
190 |
Which command shows removing directories?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
191 |
Which command shows stopping processes?
|
Sends signals to processes.
|
linux-system
|
easy
|
192 |
Which command shows command manual?
|
Shows the manual for commands.
|
linux-system
|
easy
|
193 |
Which command shows copying files?
|
Copies files or directories.
|
linux-filesystem
|
easy
|
194 |
What does `scp` do?
|
Securely copies files between hosts.
|
linux-networking
|
medium
|
195 |
Describe how to execute `ssh -r`.
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
196 |
Which command shows current directory path?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
197 |
Describe how to execute `touch`.
|
Creates an empty file or updates file timestamps.
|
linux-filesystem
|
medium
|
198 |
What does `mv -R` do?
|
Moves or renames files or directories.
|
linux-filesystem
|
easy
|
199 |
Which command shows searching patterns?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
200 |
How can I perform viewing end of files with `tail`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
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