Difference between revisions of "MS-DOS to Linux commands"

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|-
 
|-
 
| Shows contents of a file || type || cat || cat file.txt
 
| Shows contents of a file || type || cat || cat file.txt
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|-
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| Finds a string in a file || find || grep || grep abc file.txt
 +
|-
 +
| Compares the contents of files || fc || diff || diff file1 file2
 
|-
 
|-
 
| Screens through a file || more || less || less file.txt
 
| Screens through a file || more || less || less file.txt
−
|-
 
−
| Filter contents of a file || find || grep || cat thisfile.txt <nowiki>|</nowiki> grep abc
 
 
|-
 
|-
 
| Clears screen || cls || clear || clear
 
| Clears screen || cls || clear || clear
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| Displays the time || time || date || date
 
| Displays the time || time || date || date
 
|-
 
|-
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| Deletes files || del || rm || rm thisfile.txt
+
| Deletes files || del || rm || rm file.txt
 
|-
 
|-
 
| "Echoes" output on the screen || echo || echo || echo this message
 
| "Echoes" output on the screen || echo || echo || echo this message
 
|-
 
|-
 
| Edits files with simple text editor || edit || pico || pico file.txt
 
| Edits files with simple text editor || edit || pico || pico file.txt
−
|-
 
−
| Compares the contents of files || fc || diff || diff file1 file2
 
−
|-
 
−
| Finds a string of text in a file || find || grep || grep this word or phrase file.txt
 
 
|-
 
|-
 
| Formats a thumbdrive || format D: || mke2fs (or mformat) || /sbin/mke2fs /dev/usb0
 
| Formats a thumbdrive || format D: || mke2fs (or mformat) || /sbin/mke2fs /dev/usb0
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| Shows amount of RAM and use || mem || free || procinfo
 
| Shows amount of RAM and use || mem || free || procinfo
 
|}
 
|}
 +
 +
Bear in mind that Pipe <nowiki>|</nowiki> works the same:
 +
cat file.txt <nowiki>|</nowiki> grep abc
  
 
Additional essential Linux commands, with no equivalent in MS-DOS are listed below:
 
Additional essential Linux commands, with no equivalent in MS-DOS are listed below:

Revision as of 01:59, 21 March 2024

Many Linux commands typed at a shell prompt are similar to the commands you would type in MS-DOS. In fact, some commands are identical.

Command's Purpose MS-DOS Linux Example
Copies files copy cp cp thisfile.txt /home/directory
Moves files move mv mv thisfile.txt /home/directory
Renames a file ren mv mv thisfile.txt thatfile.txt
Lists files dir ls ls
Changes directories with a relative path cd .. cd .. cd ..
Changes directories with a specified path (absolute path) cd pathname cd pathname cd /home/directory
Creates a directory mkdir mkdir mkdir directory
Shows your location in the file system chdir pwd pwd
Shows contents of a file type cat cat file.txt
Finds a string in a file find grep grep abc file.txt
Compares the contents of files fc diff diff file1 file2
Screens through a file more less less file.txt
Clears screen cls clear clear
Closes prompt window exit exit exit
Displays or sets date date date date
Displays the time time date date
Deletes files del rm rm file.txt
"Echoes" output on the screen echo echo echo this message
Edits files with simple text editor edit pico pico file.txt
Formats a thumbdrive format D: mke2fs (or mformat) /sbin/mke2fs /dev/usb0
Compress files arj tar/gzip tar zcvf /home/directory
Displays command help command /? command --help ls --help (or man ls)
Shows amount of RAM and use mem free procinfo

Bear in mind that Pipe | works the same: 

cat file.txt | grep abc

Additional essential Linux commands, with no equivalent in MS-DOS are listed below: 

df: Display disk space usage
find: Search for files and directories within a directory hierarchy
tail: Display the last lines of log files
chmod: Change file permissions
chown: Change file owner and group
sudo/su: Execute a command as the superuser
apt-get/yum/dnf: Package management commands for installing packages
ps: Display information about active processes
kill: Terminate processes
crontab: Schedule tasks
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