This document discusses various file management tasks in Linux including deleting files with rm, copying files with cp, moving and renaming files with mv, compressing files with gzip, creating archives with tar, and estimating disk usage with du. Specific commands and options are provided for each task along with examples.

1. Deleting, Copying, Moving,
and Renaming Files

2. What You Will Learn
● Deleting files
● Copying files
● Moving files
● Renaming files
● Compressing files
● Creating archives

3. Removing Files
rm file Remove file.
rm -r dir Remove the directory and its
contents recursively.
rm -f file Force removal and never
prompt for confirmation.

4. $ ls s*
sales-lecture.mp3 sales.data secret secret.bak
$ rm s*
$ ls -d .*
. .. .profile .bash_history
$ rm .*
rm: cannot remove ‘.’: Is a directory
rm: cannot remove ‘..’: Is a directory
$ ls -d .*
. ..
$
Removing Files

5. Copying Files
cp source_file destination_file
Copy source_file to destination_file.
cp src_file1 [src_fileN ...] dest_dir
Copy source_files to destination_directory.

6. cp Options
cp -i
Run in interactive mode.
cp -r source_directory destination
Copy src_directory recursively to destination.

7. Demo

8. Moving and Renaming Files
mv Move or rename files and directories.
mv source destination
mv -i source destination

9. Demo

10. Sorting Data
sort file Sort text in file.

11. sort Options
-k F Sort by key. F is the field number.
-r Sort in reverse order.
-u Sort unique.

12. Demo - sort

13. Creating a Collection of Files
tar [-] c|x|t f tarfile [pattern]
Create, extract or list contents of a tar archive
using pattern, if supplied.

14. tar Options
c Create a tar archive.
x Extract files from the archive.
t Display the table of contents (list).
v Be verbose.
z Use compression.
f file Use this file.

15. Demo - tar

16. Compressing Files To Save Space
gzip Compress files.
gunzip Uncompress files.
gzcat Concatenates compressed files.
zcat Concatenates compressed files.

17. Disk Usage
du Estimates file usage.
du -k Display sizes in Kilobytes.
du -h Display sizes in human readable format.

18. Demo - gzip + tar.

19. Summary
● rm
● cp
● mv
● gzip
● tar