. linux commands with thier outputs: 1) pwd command- prints the absolute path to current working directory. $ pwd /home/pooja 2) cal command- Displays the calendar of the current month. $ cal November 2018 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3) echo command- This command will echo whatever you provide it. $ echo "linoxide.com" linoxide.com 4) date command- Displays current time and date. $ date Fri Jul 6 01:07:09 IST 2012 5) tty command- Displays current terminal. $ tty /dev/pts/0 6) whoami command- This command reveals the user who is currently logged in. $ whoami pooja 7) mkdir command- To create a directory, the ‘mkdir’ command is used. $ mkdir example $ ls -l total 4 drwxr-xr-x 2 pooja pooja 4096 2012-07-06 14:09 example 8) stat command- To check the status of a file. This provides more detailed information about a file than ‘ls -l’ output. $ stat usrcopy File: `usrcopy' Size: 491 Blocks: 8 IO Block: 4096 regular file Device: 808h/2056d Inode: 149452 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 1000/ raghu) Gid: ( 1000/ raghu) Access: 2012-07-06 16:07:06.413522009 +0530 Modify: 2012-07-06 16:02:30.204152386 +0530 Change: 2012-07-06 16:17:18.992559654 +0530 9) cat command- The 'cat' command is actually a concatenator but can be used to view the contents of a file. $ cat /etc/passwd root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/bin/sh 10) tail command- Similar to ‘head’; the ‘tail’ command shows the last 10 lines by default, and -n option is available as well. $ tail -n 4 /etc/passwd raghu:x:1000:1000:Raghu Sharma,,,:/home/raghu:/bin/bash sshd:x:113:65534::/var/run/sshd:/usr/sbin/nologin dictd:x:114:123:Dictd Server,,,:/var/lib/dictd:/bin/false mysql:x:115:124:MySQL Server,,,:/nonexistent:/bin/false 11) wc command- Word count This command counts lines, words and letters of the input given to it. $ wc /etc/passwd 35 57 1698 /etc/passwd 12) grep command- The ‘grep’ command searches for a pattern in a file (or standard input). It supports regular expressions. It returns a line if it matches the pattern in that line. So, if we wish to find the lines containing the word ‘nologin’, we use ‘grep’ as follows: $ grep nologin /etc/passwd sshd:x:113:65534::/var/run/sshd:/usr/sbin/nologin
1). ls : The is command is used for viewing file, folder and direction. 2). cd : The cd command - change directory -will allow the user to change between file directories. 3). mv: The mv command move- allow a user to move a file to another folder or direction. 4).man: The man command the manual command is used to show the manual of the inputed command the man command is meta command. 5). mkdir: The mkdir make directory command allow the user to make a new directory .just like new direction within the pc or mac desktop. 6). rmdir:The rmdir command remove directory command allow the user to remove an existingcommand using the Linux cli. 7). touch:The touch command a.k.a the make file command allow users to make file file using the Linux cli. the touch command make empty file. 8).rm:The rm command remove like the rmdir command is meants to remove file from your Linux os .rm command will delete created file . 9).locate: The locate command a.k.a find command is meant of find a file within the Linux os. you don't know the name of a certain file or you aren't sure where the file save and stored, the locate command come in handy . locate-I red* house**city*. 10).clear: The clear command clear the screen and wipes the board clean.to use the clear command simply type clear.
. linux commands with thier outputs:
ReplyDelete1) pwd command- prints the absolute path to current working directory.
$ pwd
/home/pooja
2) cal command- Displays the calendar of the current month.
$ cal
November 2018
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
3) echo command- This command will echo whatever you provide it.
$ echo "linoxide.com"
linoxide.com
4) date command- Displays current time and date.
$ date
Fri Jul 6 01:07:09 IST 2012
5) tty command- Displays current terminal.
$ tty
/dev/pts/0
6) whoami command- This command reveals the user who is currently logged in.
$ whoami
pooja
7) mkdir command- To create a directory, the ‘mkdir’ command is used.
$ mkdir example
$ ls -l
total 4
drwxr-xr-x 2 pooja pooja 4096 2012-07-06 14:09 example
8) stat command- To check the status of a file. This provides more detailed information about a file than ‘ls -l’ output.
$ stat usrcopy
File: `usrcopy'
Size: 491 Blocks: 8 IO Block: 4096 regular file
Device: 808h/2056d Inode: 149452 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 1000/ raghu) Gid: ( 1000/ raghu)
Access: 2012-07-06 16:07:06.413522009 +0530
Modify: 2012-07-06 16:02:30.204152386 +0530
Change: 2012-07-06 16:17:18.992559654 +0530
9) cat command- The 'cat' command is actually a concatenator but can be used to view the contents of a file.
$ cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/bin/sh
10) tail command- Similar to ‘head’; the ‘tail’ command shows the last 10 lines by default, and -n option is available as well.
$ tail -n 4 /etc/passwd
raghu:x:1000:1000:Raghu Sharma,,,:/home/raghu:/bin/bash
sshd:x:113:65534::/var/run/sshd:/usr/sbin/nologin
dictd:x:114:123:Dictd Server,,,:/var/lib/dictd:/bin/false
mysql:x:115:124:MySQL Server,,,:/nonexistent:/bin/false
11) wc command- Word count
This command counts lines, words and letters of the input given to it.
$ wc /etc/passwd
35 57 1698 /etc/passwd
12) grep command- The ‘grep’ command searches for a pattern in a file (or standard input). It supports regular expressions. It returns a line if it matches the pattern in that line. So, if we wish to find the lines containing the word ‘nologin’, we use ‘grep’ as follows:
$ grep nologin /etc/passwd
sshd:x:113:65534::/var/run/sshd:/usr/sbin/nologin
LINUX COMMANDS
ReplyDelete1). ls : The is command is used for viewing file, folder and direction.
2). cd : The cd command - change directory -will allow the user to change between file directories.
3). mv: The mv command move- allow a user to move a file to another folder or direction.
4).man: The man command the manual command is used to show the manual of the inputed command the man command is meta command.
5). mkdir: The mkdir make directory command allow the user to make a new directory .just like new direction within the pc or mac desktop.
6). rmdir:The rmdir command remove directory command allow the user to remove an existingcommand using the Linux cli.
7). touch:The touch command a.k.a the make file command allow users to make file file using the Linux cli. the touch command make empty file.
8).rm:The rm command remove like the rmdir command is meants to remove file from your Linux os .rm command will delete created file .
9).locate: The locate command a.k.a find command is meant of find a file within the Linux os. you don't know the name of a certain file or you aren't sure where the file save and stored, the locate command come in handy . locate-I red* house**city*.
10).clear: The clear command clear the screen and wipes the board clean.to use the clear command simply type clear.