id
int64 1
4k
| question
stringlengths 18
61
| answer
stringclasses 39
values | category
stringclasses 7
values | difficulty
stringclasses 2
values |
|---|---|---|---|---|
3,801 |
How can I perform command path with `which -a`?
|
Shows the full path of shell commands.
|
linux-system
|
easy
|
3,802 |
What does `ssh -r` do?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,803 |
Describe how to execute `head`.
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,804 |
What does `mkdir -v` do?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
3,805 |
Which command shows system resource usage?
|
Displays real-time system tasks.
|
linux-system
|
medium
|
3,806 |
How can I perform searching patterns with `grep -r`?
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,807 |
How do I use `curl -a`?
|
Transfers data from or to a server.
|
linux-networking
|
medium
|
3,808 |
What does `rm -R` do?
|
Removes files or directories.
|
linux-filesystem
|
easy
|
3,809 |
How do I use `du -l`?
|
Reports directory disk usage.
|
linux-system
|
medium
|
3,810 |
What does `ping -a` do?
|
Checks network connectivity to a host.
|
linux-networking
|
medium
|
3,811 |
Which command shows archiving files?
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,812 |
How do I use `head -a`?
|
Displays the first lines of a file.
|
linux-text-processing
|
medium
|
3,813 |
Describe how to execute `sudo`.
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
3,814 |
How can I perform viewing end of files with `tail -R`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,815 |
How do I use `alias -a`?
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
3,816 |
What does `cp` do?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
3,817 |
What does `wget -R` do?
|
Retrieves files from the web.
|
linux-networking
|
easy
|
3,818 |
What does `df -l` do?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,819 |
How do I use `rmdir -v`?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
3,820 |
How can I perform archiving files with `tar`?
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,821 |
What does `tar -R` do?
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,822 |
How can I perform deleting files with `rm -R`?
|
Removes files or directories.
|
linux-filesystem
|
easy
|
3,823 |
Describe how to execute `chmod -v`.
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
3,824 |
How can I perform changing file owner with `chown -v`?
|
Changes file owner and group.
|
linux-permissions
|
medium
|
3,825 |
How do I use `sudo -v`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,826 |
Which command shows setting variables?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
3,827 |
Describe how to execute `ssh -a`.
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,828 |
Which command shows viewing start of files?
|
Displays the first lines of a file.
|
linux-text-processing
|
easy
|
3,829 |
How do I use `tar -l`?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
3,830 |
Which command shows permission changes?
|
Changes file mode bits (permissions).
|
linux-permissions
|
easy
|
3,831 |
Describe how to execute `rm -r`.
|
Removes files or directories.
|
linux-filesystem
|
easy
|
3,832 |
Which command shows compressing files?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,833 |
Describe how to execute `zip -r`.
|
Compresses files into a ZIP archive.
|
linux-archives
|
medium
|
3,834 |
Describe how to execute `sudo -r`.
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,835 |
Which command shows stopping processes?
|
Sends signals to processes.
|
linux-system
|
medium
|
3,836 |
How can I perform viewing file contents with `cat -v`?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,837 |
How do I use `tail -a`?
|
Displays the last lines of a file.
|
linux-text-processing
|
easy
|
3,838 |
Describe how to execute `export -l`.
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
3,839 |
Which command shows stopping processes?
|
Sends signals to processes.
|
linux-system
|
easy
|
3,840 |
Describe how to execute `zip -a`.
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,841 |
Describe how to execute `man -v`.
|
Shows the manual for commands.
|
linux-system
|
medium
|
3,842 |
What does `export -r` do?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,843 |
How can I perform printing text with `echo -l`?
|
Displays a line of text or string.
|
linux-system
|
easy
|
3,844 |
Describe how to execute `tar -R`.
|
Archives files to a tarball.
|
linux-archives
|
easy
|
3,845 |
How do I use `sudo`?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,846 |
How do I use `unalias -v`?
|
Removes defined aliases.
|
linux-shell
|
medium
|
3,847 |
Describe how to execute `unalias -a`.
|
Removes defined aliases.
|
linux-shell
|
easy
|
3,848 |
Which command shows searching patterns?
|
Searches for patterns within files.
|
linux-text-processing
|
medium
|
3,849 |
How do I use `tail -v`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,850 |
How can I perform disk usage with `df -R`?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,851 |
What does `rmdir` do?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
3,852 |
Which command shows directory contents?
|
Lists directory contents.
|
linux-filesystem
|
easy
|
3,853 |
How do I use `df -l`?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,854 |
What does `echo -l` do?
|
Displays a line of text or string.
|
linux-system
|
medium
|
3,855 |
How can I perform setting variables with `export -l`?
|
Sets environment variables for child processes.
|
linux-system
|
medium
|
3,856 |
How do I use `ssh -l`?
|
Opens a secure shell connection.
|
linux-networking
|
medium
|
3,857 |
How can I perform changing file group with `chgrp`?
|
Changes file group ownership.
|
linux-permissions
|
easy
|
3,858 |
Describe how to execute `grep -a`.
|
Searches for patterns within files.
|
linux-text-processing
|
easy
|
3,859 |
Describe how to execute `man -R`.
|
Shows the manual for commands.
|
linux-system
|
easy
|
3,860 |
Describe how to execute `alias -R`.
|
Creates a shortcut to a command.
|
linux-shell
|
medium
|
3,861 |
How do I use `tail`?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,862 |
How do I use `rmdir`?
|
Removes an empty directory.
|
linux-filesystem
|
medium
|
3,863 |
Describe how to execute `ssh -r`.
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,864 |
Which command shows permission changes?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
3,865 |
How do I use `history -R`?
|
Displays the command history.
|
linux-shell
|
medium
|
3,866 |
How can I perform permission changes with `chmod -r`?
|
Changes file mode bits (permissions).
|
linux-permissions
|
medium
|
3,867 |
Which command shows directory usage?
|
Reports directory disk usage.
|
linux-system
|
easy
|
3,868 |
How can I perform current directory path with `pwd -a`?
|
Prints the current working directory.
|
linux-filesystem
|
medium
|
3,869 |
What does `zip -a` do?
|
Compresses files into a ZIP archive.
|
linux-archives
|
easy
|
3,870 |
What does `df -l` do?
|
Reports file system disk space usage.
|
linux-system
|
medium
|
3,871 |
What does `env -r` do?
|
Shows environment variables.
|
linux-system
|
medium
|
3,872 |
Which command shows searching files?
|
Searches for files in a directory hierarchy.
|
linux-filesystem
|
easy
|
3,873 |
How can I perform data transfer with `curl -l`?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
3,874 |
How do I use `scp -l`?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
3,875 |
Which command shows viewing end of files?
|
Displays the last lines of a file.
|
linux-text-processing
|
medium
|
3,876 |
Which command shows superuser commands?
|
Executes commands as another user (superuser).
|
linux-system
|
easy
|
3,877 |
Describe how to execute `more -v`.
|
Views file contents one screen at a time.
|
linux-text-processing
|
easy
|
3,878 |
What does `du -R` do?
|
Reports directory disk usage.
|
linux-system
|
easy
|
3,879 |
How can I perform setting variables with `export`?
|
Sets environment variables for child processes.
|
linux-system
|
easy
|
3,880 |
How do I use `chgrp -r`?
|
Changes file group ownership.
|
linux-permissions
|
medium
|
3,881 |
What does `tar -r` do?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
3,882 |
Which command shows archiving files?
|
Archives files to a tarball.
|
linux-archives
|
medium
|
3,883 |
Which command shows extracting archives?
|
Extracts files from a ZIP archive.
|
linux-archives
|
easy
|
3,884 |
Which command shows process status?
|
Displays process status.
|
linux-system
|
easy
|
3,885 |
Which command shows secure file copy?
|
Securely copies files between hosts.
|
linux-networking
|
easy
|
3,886 |
What does `sudo -v` do?
|
Executes commands as another user (superuser).
|
linux-system
|
medium
|
3,887 |
What does `curl` do?
|
Transfers data from or to a server.
|
linux-networking
|
easy
|
3,888 |
What does `rmdir -a` do?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
3,889 |
How do I use `kill`?
|
Sends signals to processes.
|
linux-system
|
easy
|
3,890 |
What does `mkdir` do?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
3,891 |
What does `du -R` do?
|
Reports directory disk usage.
|
linux-system
|
easy
|
3,892 |
Describe how to execute `history -v`.
|
Displays the command history.
|
linux-shell
|
medium
|
3,893 |
What does `rmdir -R` do?
|
Removes an empty directory.
|
linux-filesystem
|
easy
|
3,894 |
What does `cat -a` do?
|
Concatenates and displays file contents.
|
linux-filesystem
|
easy
|
3,895 |
What does `mkdir -v` do?
|
Creates a new directory.
|
linux-filesystem
|
easy
|
3,896 |
How do I use `top -v`?
|
Displays real-time system tasks.
|
linux-system
|
easy
|
3,897 |
What does `cp -v` do?
|
Copies files or directories.
|
linux-filesystem
|
medium
|
3,898 |
How can I perform disk usage with `df -v`?
|
Reports file system disk space usage.
|
linux-system
|
easy
|
3,899 |
Describe how to execute `ssh -a`.
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
3,900 |
How can I perform secure shell connection with `ssh -l`?
|
Opens a secure shell connection.
|
linux-networking
|
easy
|
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