#1
Which command is used to display the current working directory in Linux?
pwd
ExplanationPrints the current working directory.
#2
Which command is used to find files and directories based on their name in Linux?
find
ExplanationSearches for files and directories matching specified criteria.
#3
What does the command 'uname -a' display in Linux?
System information
ExplanationPrints detailed information about the system, including the kernel version.
#4
What is the purpose of the 'grep' command with the '-i' option in Linux?
Search for case-insensitive patterns
ExplanationPerforms a case-insensitive search for patterns in files.
#5
Which command is used to remove a directory in Linux?
rm
ExplanationRemoves or deletes directories or files.
#6
What does the command 'chmod +x file.sh' do?
Adds execute permission to file.sh
ExplanationGrants execute permission to the specified script or executable file.
#7
In Linux, what does the command 'grep' do?
Search for patterns in files
ExplanationLocates and displays lines containing a specified pattern in one or more files.
#8
What is the purpose of the 'touch' command in Linux?
Create an empty file
ExplanationCreates an empty file or updates the timestamp of an existing file.
#9
What does the command 'df -h' display in Linux?
Display disk usage in a human-readable format
ExplanationShows the disk space usage in a human-readable format for mounted file systems.
#10
Which command is used to create a symbolic link in Linux?
ln
ExplanationCreates symbolic links, or shortcuts, to files or directories.
#11
Which file contains the system-wide PATH environment variable configuration in Linux?
/etc/environment
ExplanationHolds the system-wide environment variables, including the PATH configuration.
#12
What does the command 'rsync' do in Linux?
Copy and synchronize files and directories
ExplanationEfficiently transfers and synchronizes files between directories or systems.
#13
In Linux, what is the purpose of the 'tar' command?
Create and extract tar archives
ExplanationArchives and extracts files using the tar format.
#14
What does the command 'ps aux' show in Linux?
Display a snapshot of current processes
ExplanationProvides a detailed snapshot of the current processes on the system.
#15
What is the significance of the file '/etc/fstab' in Linux?
Filesystem table
ExplanationStores information about disk drives and partitions for automatic mounting.