Commands: $ logname to check present working user. User2 $ clear
Ex: file 21 file34 file 56 LINUX Wild card characters
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| Ex: file 21 file34 file 56
LINUX Wild card characters Here are wildcards and regular expressions: * — Matches all characters ? — Matches one character \* — Matches the * character \? — Matches the ? Character \) — Matches the ) character Working with Directories Displaying Directory Contents $ ls To display the present working directory contents. Options: $ ls –a to display all files including hidden files like . (Dot) and .. (Double dot) files $ ls |pg to display contents page wise (only UNIX). $ ls |more to display contents line by line in UNIX and LINUX. $ ls –x to display in width wise. $ ls –x|more to display contents width wise and line wise. $ ls –f to display only files. $ ls –F to display all files including exe files. $ ls –R to display including sub directories recursively like tree structure. $ ls –r to display in reverse order. $ ls –d to display only directories. $ ls –t to display based on date and time of creation of files (latest to old files) $ ls –u to display based upon last accessed time. $ ls –s to display files including number of blocks used by the file and directories. $ ls –i to display files including I-node number of files. I-node number provides information about the files. $ ls –l to display long list of the files. Ex: $ pwd /home/user2 $ ls –l d rwxrw_rw_ 3 user2 group1 5436 feb22 14:00 xxx _ rw_rw_r__ 2 user2 group1 231 oct21 10:00 file1 In above example First character is the type of the file. _ Regular File d Directory File c Character Special File b Block Special File f FIFO File s Socket File l Symbolic File Download 122.5 Kb. Share with your friends:
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