Basic Commands
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Basic Commands
Print PrintWorking WorkingDirectory Directory [root@comp1 ~]# pwd [root@comp1 ~]# pwd
Shows Showslist listof offiles files& &directories directories [root@comp1 ~]# ls <arguments> [root@comp1 ~]# ls <arguments>
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ls Command
Listing Listingof of files filesand anddirectories directories along alongwith with the theattributes attributes [root@comp1 ~]# ls l or [root@comp1 ~]# ls l or [root@comp1 [root@comp1~]# ~]#llll
Listing Listingof ofall allfiles filesand anddirectories directories including includingthe thehidden hidden root@comp1 ~]# ls -a root@comp1 ~]# ls -a
Listing Listingof ofall allfiles filesand anddirectories directoriesin inreverse reverseorder order [root@comp1 [root@comp1~]# ~]#ls ls -r -r 3
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ls Command
Listing Listingof offiles filesand anddirectories directoriesalong alongwith with the the inode inode numbers numbers [root@comp1 ~]# ls il [root@comp1 ~]# ls il
Listing Listingof ofthe theattributes attributesof ofaaparticular particularfile fileor or directory directory [root@comp1 ~]# ls -ld [root@comp1 ~]# ls -ld
Shows Showsthe thelist listof offiles filesin inTree Treestructure structure [root@comp1 [root@comp1~]# ~]#ls ls -R -R 4
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Creation of Files
By using three methods we can create files cat command touch command vi editor Displaying Displaying& &Creating CreatingText TextFiles Files [root@comp1 ~]# cat <arguments> [root@comp1 ~]# cat <arguments>
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cat command
To Tocreate createaafile file [root@comp1 ~]# cat > [root@comp1 ~]# cat >
To Toview viewthe thecontent contentof ofaafile file [root@comp1 [root@comp1~]# ~]#cat cat
To Toappend appendaafile file [root@comp1 ~]# cat >> [root@comp1 ~]# cat >>
To Totransfer transferthe thecontents contentsof offile1 file1& &file2 file2to tofile3 file3 [root@comp1 ~]# cat >> [root@comp1 ~]# cat >> 6
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touch command
To Tocreate createaafile filewith withzero zerobytes bytesas aswell wellas asto tochange changethe thetime time stamp of file or directory. stamp of file or directory. [root@comp1 [root@comp1~]# ~]#touch touch
To Tocreate createmultiple multiplefiles files [root@comp1 [root@comp1~]# ~]#touch touch
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Creating Directories
To Tocreate createaadirectory directory [root@comp1 ~]# mkdir name>
To Tocreate createmultiple multipledirectories directories [root@comp1 ~]# mkdir [root@comp1 ~]# mkdir
To Tocreate createnested nesteddirectories directories [root@comp1 [root@comp1~]# ~]#mkdir mkdir -p -p// // 8
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Navigation of Directories
To Tochange changethe thedirectory directory [root@comp1 ~]# cd <path of the directory> [root@comp1 ~]# cd <path of the directory>
To Tochange changedirectory directoryone one level levelback back [root@comp1 ~]# cd .. [root@comp1 ~]# cd ..
To Tochange changedirectory directory two twolevels levelsback back [root@comp1 [root@comp1~]# ~]#cd cd../.. ../.. 9
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Navigation of Directories
To Tochange changedirectory directory to tolast lastworking workingdirectory directory [root@comp1 ~]# cd [root@comp1 ~]# cd
To Tochange changedirectory directory to tohome home directory directory [root@comp1 [root@comp1~]# ~]#cd cd or or [root@comp1 [root@comp1~]# ~]#cd cd ~ ~
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Removing a File or Directory
To Toremove removeaa file file [root@comp1 ~]# rm [root@comp1 ~]# rm
To Toremove removeempty empty directory directory [root@comp1 ~]# rmdir name>
To Toremove remove directory directoryrecursively recursively and andforcefully forcefully [root@comp1 [root@comp1~]# ~]#rm rm rf rf name> 11
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Copying a File or Directory
To Tocopy copyaafile file [root@comp1 [root@comp1~]# ~]#cp cp <source <sourcefile filepath> path><destination <destinationfile filepath> path>
[root@comp1 [root@comp1~]# ~]#cp cp
To Tocopy copyaadirectory directory rr <source <sourcedir dirpath> path> <destination <destinationdir dirpath> path>
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Moving / Renaming a File or Directory
To Tomove moveaa file/dir file/dirto toaadifferent different location location [root@comp1 ~]# mv <source path> [root@comp1 ~]# mv <source path> <destination <destinationpath> path>
To To rename rename file/dir file/dirmove moveat atsame samelocation location [root@comp1 [root@comp1~]# ~]#mv mv name> name>
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1
Basic Commands
Print PrintWorking WorkingDirectory Directory [root@comp1 ~]# pwd [root@comp1 ~]# pwd
Shows Showslist listof offiles files& &directories directories [root@comp1 ~]# ls
2
2
ls Command
Listing Listingof of files filesand anddirectories directories along alongwith with the theattributes attributes [root@comp1 ~]# ls l or [root@comp1 ~]# ls l or [root@comp1 [root@comp1~]# ~]#llll
Listing Listingof ofall allfiles filesand anddirectories directories including includingthe thehidden hidden root@comp1 ~]# ls -a root@comp1 ~]# ls -a
Listing Listingof ofall allfiles filesand anddirectories directoriesin inreverse reverseorder order [root@comp1 [root@comp1~]# ~]#ls ls -r -r 3
3
ls Command
Listing Listingof offiles filesand anddirectories directoriesalong alongwith with the the inode inode numbers numbers [root@comp1 ~]# ls il [root@comp1 ~]# ls il
Listing Listingof ofthe theattributes attributesof ofaaparticular particularfile fileor or directory directory [root@comp1 ~]# ls -ld
Shows Showsthe thelist listof offiles filesin inTree Treestructure structure [root@comp1 [root@comp1~]# ~]#ls ls -R -R
4
Creation of Files
By using three methods we can create files cat command touch command vi editor Displaying Displaying& &Creating CreatingText TextFiles Files [root@comp1 ~]# cat
5
5
cat command
To Tocreate createaafile file [root@comp1 ~]# cat >
To Toview viewthe thecontent contentof ofaafile file [root@comp1 [root@comp1~]# ~]#cat cat
To Toappend appendaafile file [root@comp1 ~]# cat >>
To Totransfer transferthe thecontents contentsof offile1 file1& &file2 file2to tofile3 file3 [root@comp1 ~]# cat
6
touch command
To Tocreate createaafile filewith withzero zerobytes bytesas aswell wellas asto tochange changethe thetime time stamp of file or directory. stamp of file or directory. [root@comp1 [root@comp1~]# ~]#touch touch
To Tocreate createmultiple multiplefiles files [root@comp1 [root@comp1~]# ~]#touch touch
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Creating Directories
To Tocreate createaadirectory directory [root@comp1 ~]# mkdir
To Tocreate createmultiple multipledirectories directories [root@comp1 ~]# mkdir
To Tocreate createnested nesteddirectories directories [root@comp1 [root@comp1~]# ~]#mkdir mkdir -p -p
8
Navigation of Directories
To Tochange changethe thedirectory directory [root@comp1 ~]# cd <path of the directory> [root@comp1 ~]# cd <path of the directory>
To Tochange changedirectory directoryone one level levelback back [root@comp1 ~]# cd .. [root@comp1 ~]# cd ..
To Tochange changedirectory directory two twolevels levelsback back [root@comp1 [root@comp1~]# ~]#cd cd../.. ../.. 9
9
Navigation of Directories
To Tochange changedirectory directory to tolast lastworking workingdirectory directory [root@comp1 ~]# cd [root@comp1 ~]# cd
To Tochange changedirectory directory to tohome home directory directory [root@comp1 [root@comp1~]# ~]#cd cd or or [root@comp1 [root@comp1~]# ~]#cd cd ~ ~
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Removing a File or Directory
To Toremove removeaa file file [root@comp1 ~]# rm
To Toremove removeempty empty directory directory [root@comp1 ~]# rmdir
To Toremove remove directory directoryrecursively recursively and andforcefully forcefully [root@comp1 [root@comp1~]# ~]#rm rm rf rf
11
Copying a File or Directory
To Tocopy copyaafile file [root@comp1 [root@comp1~]# ~]#cp cp <source <sourcefile filepath> path><destination <destinationfile filepath> path>
[root@comp1 [root@comp1~]# ~]#cp cp
To Tocopy copyaadirectory directory rr <source <sourcedir dirpath> path> <destination <destinationdir dirpath> path>
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Moving / Renaming a File or Directory
To Tomove moveaa file/dir file/dirto toaadifferent different location location [root@comp1 ~]# mv <source path> [root@comp1 ~]# mv <source path> <destination <destinationpath> path>
To To rename rename file/dir file/dirmove moveat atsame samelocation location [root@comp1 [root@comp1~]# ~]#mv mv
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