$ whatis tar

$ whatis gzip

$ whatis gunzip

$ whatis zcat

tar (1) - an archiving utility

gzip (1) - compress or expand files

gunzip (1) - compress or expand files

zcat (1) - compress or expand files

Description: To get a list of all the files in the current directory you type:

$ ls -l

total 220 -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rw-rw-r-- 1 wahid wahid 0 May 3 15:12 tar-gzip-gunzip-info.txt Description: To get the disk usage of all files in the current directory you type:

$ du -sh *

136K fallocate-info.txt 80K figlet-info.txt 4.0K myxterm.sh 0 tar-gzip-gunzip-info.txt Description: To find out the 'Type' of files in the current directory you type: $ file * fallocate-info.txt: UTF-8 Unicode text, with very long lines, with CRLF, CR, LF line terminators, with escape sequences, with overstriking figlet-info.txt: UTF-8 Unicode text, with very long lines, with CRLF, CR, LF line terminators, with escape sequences, with overstriking myxterm.sh: Bourne-Again shell script, ASCII text executable tar-gzip-gunzip-info.txt: empty Description: To make a backup copy of the file below you type:

$ cp myxterm.sh myxterm.sh.bak

$ ls -l

total 224 -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 0 May 3 15:12 tar-gzip-gunzip-info.txt Description: To get the manual page of the command gzip and send the output to the file gzip.manpage:

$ man gzip > gzip.manpage

$ ls -l

total 244 -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 0 May 3 15:12 tar-gzip-gunzip-info.txt

$ file *.manpage

gzip.manpage: UTF-8 Unicode text

$ tail gzip.manpage

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the Foundation. local GZIP(1)

$ head gzip.manpage

GZIP(1) General Commands Manual GZIP(1) NAME gzip, gunzip, zcat - compress or expand files SYNOPSIS gzip [ -acdfhklLnNrtvV19 ] [--rsyncable] [-S suffix] [ name ... ] gunzip [ -acfhklLnNrtvV ] [-S suffix] [ name ... ] zcat [ -fhLV ] [ name ... ]

$ man -k tar

bdflush (2) - start, flush, or tune buffer-dirty-flush daemon byobu-disable (1) - wrapper script for enabling/disabling automatic startup of byobu after login into text console byobu-enable (1) - wrapper script for enabling/disabling automatic startup of byobu after login into text console cryptdisks_start (8) - wrapper around cryptsetup that parses /etc/crypttab. dbus-run-session (1) - start a process as a new D-Bus session docker-container-export (1) - Export a container's filesystem as a tar archive docker-container-restart (1) - Restart one or more containers docker-container-start (1) - Start one or more stopped containers docker-context-export (1) - Export a context to a tar or kubeconfig file docker-context-import (1) - Import a context from a tar or zip file docker-export (1) - Export a container's filesystem as a tar archive docker-image-import (1) - Import the contents from a tarball to create a filesystem image docker-image-load (1) - Load an image from a tar archive or STDIN docker-image-save (1) - Save one or more images to a tar archive (streamed to STDOUT by default) docker-image-tag (1) - Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE docker-import (1) - Import the contents from a tarball to create a filesystem image docker-load (1) - Load an image from a tar archive or STDIN docker-restart (1) - Restart one or more containers docker-save (1) - Save one or more images to a tar archive (streamed to STDOUT by default) docker-start (1) - Start one or more stopped containers docker-tag (1) - Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE erfc (3) - complementary error function erfcf (3) - complementary error function erfcl (3) - complementary error function Exporter::Tiny::Manual::QuickStart (3pm) - the quickest way to get up and running with Exporter::Tiny fcgistarter (8) - Start a FastCGI program genisoimagerc (5) - startup configuration file for genisoimage getgroups (2) - get/set list of supplementary group IDs getgroups32 (2) - get/set list of supplementary group IDs git-deborig (1) - try to produce Debian orig.tar using git-archive(1) git-get-tar-commit-id (1) - Extract commit ID from an archive created using git-archive initgroups (3) - initialize the supplementary group access list iscsi_discovery (8) - discover iSCSI targets iscsistart (8) - iSCSI boot tool lxc.restart (1) - Restart containers lxc.start (1) - Start containers lxc.launch (1) - Create and start containers from images make-first-existing-target (1) - runs make on one of several targets mk-origtargz (1) - rename upstream tarball, optionally changing the compression and removing unwanted files open (1) - start a program on a new virtual terminal (VT). openvt (1) - start a program on a new virtual terminal (VT). optarg (3) - Parse command-line options origtargz (1) - fetch the orig tarball of a Debian package from various sources, and unpack it ptar (1) - a tar-like program written in perl ptardiff (1) - program that diffs an extracted archive against an unextracted one ptargrep (1) - Apply pattern matching to the contents of files in a tar archive restart_syscall (2) - restart a system call after interruption by a stop signal rmt-tar (8) - remote magnetic tape server runc-start (8) - (unknown subject) setarch (8) - change reported architecture in new program environment and set personality flags setgroups (2) - get/set list of supplementary group IDs setgroups32 (2) - get/set list of supplementary group IDs start-stop-daemon (8) - start and stop system daemon programs strfmon (3) - convert monetary value to a string strfmon_l (3) - convert monetary value to a string svc_getargs (3) - library routines for remote procedure calls swapoff (2) - start/stop swapping to file/device swapon (2) - start/stop swapping to file/device systemd-notify (1) - Notify service manager about start-up completion and other daemon status changes systemd-rc-local-generator (8) - Compatibility generator for starting /etc/rc.local and /usr/sbin/halt.local during boot and shutdown systemd.target (5) - Target unit configuration tar (1) - an archiving utility tarcat (1) - concatenates the pieces of a GNU tar multi-volume archive thermald (8) - start Linux thermal daemon unicode_start (1) - put keyboard and console in unicode mode va_start (3) - variable argument lists

$ man -k tar man-k-tar.txt

$ ls -l

total 260 -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 8192 May 3 15:14 tar-gzip-gunzip-info.txt

$ man -k gunzip

gunzip (1) - compress or expand files PerlIO::gzip (3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip

$ which tar

/bin/tar

$ which gzip /bin/gzip

$ which gunzip

/bin/gunzip

$ ls -la

total 272 drwxrwxr-x 2 wahid wahid 4096 May 3 15:14 . drwxr-xr-x 9 wahid wahid 4096 May 3 14:26 .. -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 8192 May 3 15:14 tar-gzip-gunzip-info.txt

$ ls -l

total 516 -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 8192 May 3 15:14 tar-gzip-gunzip-info.txt

$ date

Mon May 3 15:15:40 EDT 2021

$ date '+%m-%d%Y'

05-03-2021

$ ls -l

total 520 -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 12288 May 3 15:15 tar-gzip-gunzip-info.txt

$ tar xvf all-files-`date '+%m-%d-%Y'`.tar *

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -l

total 1020 -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 12288 May 3 15:15 tar-gzip-gunzip-info.txt

$ ls -ld *.tar

-rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ tar tvf *.tar

-rw-rw-r-- wahid/wahid 256000 2021-05-03 15:15 all-files-Mon -rw-rw-r-- wahid/wahid 137253 2021-05-03 15:11 fallocate-info.txt -rw-rw-r-- wahid/wahid 74404 2021-05-03 14:50 figlet-info.txt -rw-rw-r-- wahid/wahid 17201 2021-05-03 15:13 gzip.manpage -rw-rw-r-- wahid/wahid 127 2021-05-03 15:14 man-k-gunzip.txt -rw-rw-r-- wahid/wahid 4643 2021-05-03 15:14 man-k-tar.txt -rwxr-xr-x wahid/wahid 594 2021-05-03 14:26 myxterm.sh -rwxr-xr-x wahid/wahid 594 2021-05-03 15:13 myxterm.sh.bak -rw-rw-r-- wahid/wahid 12288 2021-05-03 15:15 tar-gzip-gunzip-info.txt

$ mkdir Backup

$ cd Backup

$ ls -la

total 8 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 ..

$ cd ..

$ ls -al

total 1036 drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 . drwxr-xr-x 9 wahid wahid 4096 May 3 14:26 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 Backup -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 16384 May 3 15:18 tar-gzip-gunzip-info.txt

$ pwd

/home/wahid/Scripts

$ ls -l Backup

total 0

$ pwd

/home/wahid/Scripts

$ mv *.tar Backup/.

$ ls -la

total 536 drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 . drwxr-xr-x 9 wahid wahid 4096 May 3 14:26 .. -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 Backup -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 16384 May 3 15:18 tar-gzip-gunzip-info.txt

$ cd Backup

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *

500K all-files-05-03-2021.tar

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ tar xvf *.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -la

total 1024 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 12288 May 3 15:15 tar-gzip-gunzip-info.txt

$ ls -l ../

total 528 -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 Backup -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 16384 May 3 15:18 tar-gzip-gunzip-info.txt

$ diff . ../.

Only in .: all-files-05-03-2021.tar Only in ../.: Backup

$ ls -l

$ ls -ld *.tar

-rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ tar tvf *.tar

$ mkdir Backup

$ cd Backup

$ ls -la

total 8 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 ..

$ cd ..

$ ls -al

$ pwd

/home/wahid/Scripts

$ ls -l Backup

total 0

$ pwd

/home/wahid/Scripts

$ mv *.tar Backup/.

$ ls -la

$ cd Backup

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *

500K all-files-05-03-2021.tar

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ tar xvf *.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -la

$ ls -l ../

$ pwd

/home/wahid/Scripts/Backup

$ cd ..

$ ls -la

total 548 drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 . drwxr-xr-x 9 wahid wahid 4096 May 3 14:26 .. -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 Backup -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 28672 May 3 15:19 tar-gzip-gunzip-info.txt

$ diff . Backup

Only in Backup: all-files-05-03-2021.tar Only in .: Backup

$ date

Mon May 3 15:15:40 EDT 2021

$ date '+%m-%d%-Y'

05-03-2021

$ ls -l

$ tar xvf all-files-`date '+%m-%d-%Y'`.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -l

$ ls -ld *.tar

-rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ tar tvf *.tar

$ mkdir Backup

$ cd Backup

$ ls -la

total 8 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 ..

$ cd ..

$ ls -al

$ pwd

/home/wahid/Scripts

$ ls -l Backup

total 0

$ pwd

/home/wahid/Scripts

$ mv *.tar Backup/.

$ ls -la

$ cd Backup

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *

500K all-files-05-03-2021.tar

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ tar xvf *.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -la

$ ls -l ../

$ diff . ../.

Only in .: all-files-05-03-2021.tar Only in ../.: Backup diff ./tar-gzip-gunzip-info.txt .././tar-gzip-gunzip-info.txt 188c188,345 wahid \ No newline at end of file ---

$ date

Mon May 3 15:15:40 EDT 2021

$ date '+%m-%d%Y'-%Y'

05-03-2021

$ ls -l

$ tar xvf all-files-`date '+%m-%d-%Y'`.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

$ ls -l

$ ls -ld *.tar

-rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ tar tvf *.tar

$ mkdir Backup

$ cd Backup

$ ls -la

total 8 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 ..

$ ls -al

total 8 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. $ cd ..

$ ls -al

$ pwd

/home/wahid/Scripts $ ls -l backup Backup

total 0

$ pwd

/home/wahid/Scripts

$ mv *.tar Backup/.

$ ls -la

$ cd Backup

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ du -sh *

500K all-files-05-03-2021.tar

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ tar xvf *.tar

all-files-Mon fallocate-info.txt figlet-info.txt gzip.manpage man-k-gunzip.txt man-k-tar.txt myxterm.sh myxterm.sh.bak tar-gzip-gunzip-info.txt

ls -la

total 1024 drwxrwxr-x 2 wahid wahid 409 \ No newline at end of file --- wahid \ No newline at end of file

$ ls -la

total 564 drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 . drwxr-xr-x 9 wahid wahid 4096 May 3 14:26 .. -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon drwxrwxr-x 2 wahid wahid 4096 May 3 15:18 Backup -rw-rw-r-- 1 wahid wahid 137253 May 3 15:11 fallocate-info.txt -rw-rw-r-- 1 wahid wahid 74404 May 3 14:50 figlet-info.txt -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rw-rw-r-- 1 wahid wahid 127 May 3 15:14 man-k-gunzip.txt -rw-rw-r-- 1 wahid wahid 4643 May 3 15:14 man-k-tar.txt -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak -rw-rw-r-- 1 wahid wahid 45056 May 3 15:19 tar-gzip-gunzip-info.txt

$ cd Backup

$ ls -al

$ rm *.txt

$ ls -la

total 788 drwxrwxr-x 2 wahid wahid 4096 May 3 15:19 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar -rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak

$ ls -l | awk '{print $9}'

all-files-05-03-2021.tar all-files-Mon gzip.manpage myxterm.sh myxterm.sh.bak

$ ls -l | awk '{print $9}' | awk grep -v tar

all-files-Mon gzip.manpage myxterm.sh myxterm.sh.bak

$ ls -l | awk '{print $9}' | grep -v tar

all-files-Mon gzip.manpage myxterm.sh myxterm.sh.bak

$ ls -l | egrep -v 'total|tar'

-rw-rw-r-- 1 wahid wahid 256000 May 3 15:15 all-files-Mon -rw-rw-r-- 1 wahid wahid 17201 May 3 15:13 gzip.manpage -rwxr-xr-x 1 wahid wahid 594 May 3 14:26 myxterm.sh -rwxr-xr-x 1 wahid wahid 594 May 3 15:13 myxterm.sh.bak

$ ls -l | egrep -v 'total|tar' | awk '{print $9}'

all-files-Mon gzip.manpage myxterm.sh myxterm.sh.bak

$ ls -l | egrep -v 'total|tar' | awk '{print $9}' | while read var do echo "Removing the file ${var} now ..." rm $var ${var} done

Removing the file all-files-Mon now ... Removing the file gzip.manpage now ... Removing the file myxterm.sh now ... Removing the file myxterm.sh.bak now ...

$ ls -l

total 500 -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ file *.tar

all-files-05-03-2021.tar: POSIX tar archive (GNU)

$ ls -l

total 500 -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ file *

all-files-05-03-2021.tar: POSIX tar archive (GNU) gunzip * gzip: all-files-05-03-2021.tar: unknown suffix -- ignored

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:21 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar

$ file *.tar

all-files-05-03-2021.tar: POSIX tar archive (GNU)

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ gzip all-files-05-03-2021.tar

$ ls -l

total 80 -rw-rw-r-- 1 wahid wahid 80255 May 3 15:17 all-files-05-03-2021.tar.gz

$ du -sh *

80K all-files-05-03-2021.tar.gz

$ file *

all-files-05-03-2021.tar.gz: gzip compressed data, was "all-files-05-03-2021.tar", last modified: Mon May 3 19:17:46 2021, from Unix

$ gunzip *.gz

$ ls -la

total 508 drwxrwxr-x 2 wahid wahid 4096 May 3 15:22 . drwxrwxr-x 3 wahid wahid 4096 May 3 15:18 .. -rw-rw-r-- 1 wahid wahid 512000 May 3 15:17 all-files-05-03-2021.tar p-gunzip-info.txt

$file *

all-files-05-03-2021.tar: POSIX tar archive (GNU) tar

$ du -sh *.tar

500K all-files-05-03-2021.tar

$ ls -l

total 80 -rw-rw-r-- 1 wahid wahid 80255 May 3 15:17 all-files-05-03-2021.tar.gz

$ du -sh *

80K all-files-05-03-2021.tar.gz

$ file *

all-files-05-03-2021.tar.gz: gzip compressed data, was "all-files-05-03-2021.tar", last modified: Mon May 3 19:17:46 2021, from Unix

Please click on " man tar " to see the Manual Page for this command. man gzip " to see the Manual Page for this command. man gunzip " to see the Manual Page for this command. man zcat " to see the Manual Page for this command.

Please click on " tar in PDF " format.

Please click on " gzip in PDF " format.

Please click on " zcat in PDF " format.