61bashThis demonstrates using the du command to display disk usage in a human-readable format.du --human-readableexternal toolsdudisk usagehuman-readable format
62bashThis demonstrates using the du command to measure the disk space usage of a directory.du /foo/barexternal toolsdudisk usage check
63bashThis demonstrates the basic usage of the du command to estimate file and directory space usage.duexternal toolsdudisk usage analysis
64bashThis script displays disk usage in a human-readable format for all mounted filesystems.df --human-readablesolutionsdisk usage
65bashThis command displays disk usage information for all mounted filesystems.dfexternal toolsdfdisk usage information
66bashThis demonstrates extracting files from a gzip-compressed .tar.gz archive using the tar command.tar --extract --gzip --file=foo.tar.gzexternal toolstarextraction from archive
67bashThis demonstrates how to decompress a .gz file while keeping the original compressed file using gunzip.gunzip --keep foo.gzexternal toolsgunzipdecompression with --keep option
68bashThis demonstrates creating a compressed .tgz archive using tar with --create and --gzip options.tar --create --gzip --file=foo.tgz /barexternal toolstararchive creation and compression
69bashThis demonstrates compressing files into a .tgz archive using the tar command.tar --create --gzip --file=foo.tgz /bar.txt /baz.txtexternal toolstararchive creation and compression
70bashThis demonstrates file compression using gzip while preserving the original file.gzip --keep /bar.txt foo.gzexternal toolsgzipfile compression
71bashThis demonstrates using egrep to recursively search for lines containing either foo or bar within the /baz directory.egrep 'foo|bar' /baz -Rexternal toolsgrepregex filter (regular expression filter)multi-pattern search with recursion
72bashThis demonstrates using the find command to locate all .txt files within a directory and its subdirectories.find /path -name "*.txt"external toolsfindfile search by pattern
73bashThis demonstrates updating the file database for efficient file searching using the updatedb command.updatedbexternal toolsupdatedbfile database update
74bashThis demonstrates modifying file permissions to remove execute permissions for the user and group using the chmod command.chmod u-x,g-x foo.shexternal toolschmodfile permissions management
75bashlinuxThis demonstrates modifying file permissions using the chmod command.chmod g+x foo.shexternal toolschmodmodify file permissions
76bashThis demonstrates redirecting standard error output to a file.ls noexist 2> stderror.txtbash internalfile and stream operationsstream redirection and pipingerror redirection
77bashThis demonstrates creating a temporary directory using the mktemp command with the --directory option.mktemp --directoryexternal toolsmktemptemporary directory creation
78bashThis demonstrates using the tree command to display a tree-like structure of directories, excluding files.tree -dexternal toolstreedirectory visualization
79bashThis demonstrates displaying the directory structure in a tree-like format, including hidden files and directories, using the tree command.tree -aexternal toolstreedirectory structure visualization
80bashThis demonstrates the use of the tree command to display a directory structure in a tree-like format.treeexternal toolstreedirectory structure visualization