Thursday, 10 May 2018

100 Linux Commands Video Tutorial Every Administrator Should Learn


For All the Videos

       arch - print machine hardware name (same as uname -m)
       arp - manipulate the system ARP cache
       at, batch, atq, atrm - queue, examine or delete jobs for later execution
       gawk - pattern scanning and processing language
       bc - An arbitrary precision calculator language
       blkid - locate/print block device attributes
       cal - display a calendar
       cat - concatenate files and print on the standard output
       bash,  :,  .,  [, alias, bg, bind, break, builtin, caller, cd, command, compgen,
       chage - change user password expiry information
       chattr - change file attributes on a Linux file system
       chgrp - change group ownership
       chmod - change file mode bits
       chown - change file owner and group
       cp - copy files and directories
       cpio - copy files to and from archives
       crontab - maintains crontab files for individual users
       curl - transfer a URL
       cut - remove sections from each line of files
       date - print or set the system date and time
       dd - convert and copy a file
       df - report file system disk space usage
       diff - compare files line by line
       dig - DNS lookup utility
       du - estimate file space usage
       expr - evaluate expressions
       fdisk - manipulate disk partition table
       find - search for files in a directory hierarchy
       firewall-cmd - firewalld command line client
       free - Display amount of free and used memory in the system
       grep, egrep, fgrep - print lines matching a pattern
       head - output the first part of files
       bash,  :,  .,  [, alias, bg, bind, break, builtin, caller, cd, command, compgen,
       hostname - show or set the system's host name
       id - print real and effective user and group IDs
       ifconfig - configure a network interface
       ip - show / manipulate routing, devices, policy routing and tunnels
       kill - terminate a process
       last, lastb - show listing of last logged in users
       less - opposite of more
       ln - make links between files
       ls - list directory contents
       lsof - list open files
       lspci - list all PCI devices
       man - an interface to the on-line reference manuals
       mkdir - make directories
       mount - mount a filesystem
       mv - move (rename) files
       netstat  - Print network connections, routing tables, interface statistics, mas‐
       nice - run a program with modified scheduling priority
       nslookup - query Internet name servers interactively
       passwd - update user's authentication tokens
       pam_tally2 - The login counter (tallying) module
       paste - merge lines of files
       ping - send ICMP ECHO_REQUEST to network hosts
       perl - The Perl 5 language interpreter
       pgrep, pkill - look up or signal processes based on name and other attributes
       ps - report a snapshot of the current processes.
       pwd - print name of current/working directory
       halt, poweroff, reboot - Halt, power-off or reboot the machine
       rm - remove files or directories
       rpm - RPM Package Manager
       rsync - a fast, versatile, remote (and local) file-copying tool
       sed - stream editor for filtering and transforming text
       sort - sort lines of text files
       ss - another utility to investigate sockets
       sysctl - configure kernel parameters at runtime
       tail - output the last part of files
       tar - manual page for tar 1.26
       top - display Linux processes
       touch - change file timestamps
       tr - translate or delete characters
       uname - print system information
       uniq - report or omit repeated lines
       uptime - Tell how long the system has been running.
       useradd - create a new user or update default new user information
       vim - Vi IMproved, a programmers text editor
       vmstat - Report virtual memory statistics
       w - Show who is logged on and what they are doing.
       watch - execute a program periodically, showing output fullscreen
       wc - print newline, word, and byte counts for each file
       Wget - The non-interactive network downloader.
       yum - Yellowdog Updater Modified

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