unix-school
- 10 examples of initializing a Hash variable in Perl
- 10 examples of paste command usage in Linux
- 10 examples of split command in Unix
- 10 good shell scripting practices
- 10 tips to improve Performance of Shell Scripts
- 15 different ways to display the contents of a file
- 3 different time stamps associated with a file in Unix
- 3 different ways of dumping hex contents of a file
- 3 different ways of renaming a group of files
- 5 different ways of doing Arithmetic operations in UNIX
- 5 different ways to add all the numbers in a file
- 5 different ways to count the total lines in a file
- 5 different ways to do file listing without ls command
- 5 different ways to do numbering of a file contents
- 5 different ways to join all lines in a file
- 5 important things to follow to be a fast learner
- 5 important things to follow to become good in shell scripting
- 5 most important reasons why a Unix developer should use VIM
- 5 useful settings to have in .vimrc for a developer
- 5 ways to reverse the order of file content
- 7 different ways to print the last line of a file in Linux
- awk - 10 examples to group data in a CSV or text file
- awk - 10 examples to read files with multiple delimiters
- awk - 10 examples to split a file into multiple files
- awk - 10 examples to insert / remove / update fields of a CSV file
- awk - Join or merge lines on finding a pattern
- awk - Match a pattern in a file in Linux
- awk - Passing arguments or shell variables to awk
- awk - Passing awk variables to shell
- awk - Read a file and split the contents
- awk and sed tutorials
- bc - Unix calculator
- C program to multiply, divide and find reminder for x by 4 without arithmetic operators?
- comm - The beautiful comparison
- cp - 10 different copy command examples
- cut - cut files with a delimiter
- Cygwin:- What is Cygwin & How to set up?
- date & GNU date
- Difference between $* and $@ in Shell
- Difference between $x and ${x}
- Different methods
- Different ways to add header and trailer line to a file
- Different ways to capitalize the contents of a file
- Different ways to delete ^M character in a file
- Different ways to get the filename from absolute path
- Different ways to print first few characters of a string in Linux
- Different ways to print the first line of a file
- Different ways to print the next few lines after pattern match
- Different ways to reverse a string in Linux
- Different ways to split the file contents
- Different ways to split the PATH variable
- How to zero pad a number or a variable?
- Disk Usage and Free Space- Housekeeping
- 7 examples of find command with xargs in Linux
- 8 examples to change the delimiter of a file in Linux
- 25 examples of vi / vim substitution commands
- EXINIT vs .exrc
- find command: 15 examples to exclude directories using prune
- find files by name or part of name or extension
- find files modified in the last X days and X hours and X mins
- 8 examples to find sum of all columns / numbers in a line
- find2perl - 10 examples to find files without find command
- Fold files using fold command
- A forum of The UNIX School
- gawk - Calculate date / time difference between timestamps
- gawk - Date and time calculation functions
- getopts - How to pass command line options to shell script?
- GNU dates and strings conversion in Linux
- grep vs awk : 10 examples of pattern search
- grep vs awk - Part 2
- here-doc(EOF) issue in sqlplus or FTP
- How to access a child shell env variable in parent shell?
- How to delete every nth line in a file in Linux?
- How to find duplicate records of a file in Linux?
- How to find the total count of a word / string in a file?
- How to prepare Oracle insert queries for data present in flat file
- How to print every nth line in a file in Linux?
- How to read database table definition from Unix Shell?
- How to remove a component of absolute path?
- How to remove leading zeros in a string in Linux?
- How to swap 2 columns in a file in Linux?
- How to use arrays in ksh?
- How to use SUID for shell scripts in Linux?
- How to remove duplicate records from a file in Linux?
- How to remove the leading and trailing spaces in a file?
- How to retrieve or extract the tag value from XML in Linux?
- $IGNOREEOF vs ignoreeof
- Inode - All about inodes
- Insert a line before or after a pattern
- Insert new line or text after every n lines in Linux
- Internal vs External commands
- join command
- Join every 2 lines in a file
- Link count: File vs Directory
- Linux For You - A magazine for Open Source techies
- Linux Interview Questions - Part 1
- 15 examples of sort command in Linux
- Login to a UNIX account from Windows without password
- Move files and directories : Inodes Part 3
- Oracle 10g Express: How to set up Oracle XE?
- Perl - 6 examples to fetch date / time without Linux date command
- Perl - Connect to Oracle database and SELECT
- perl - 15 examples of substr command
- Perl : Find files using File::Find
- Perl : Foreach loop variable is an alias
- Perl - How to find the sum of digits in a number?
- Perl - How to print a hash?
- Perl - How to split a string into words?
- Perl : Remove duplicate elements from arrays
- Perl - Return a value from function depending on the context
- Perl - Split a string into individual character array
- Perl - User defined function to simulate uc and lc
- Perl - What is __DATA__ ?
- Positional parameters in a shell script
- 7 examples to print few lines before a pattern match in Linux
- ps command : what does the TIME indicate?
- Python - How to find the location of a module?
- Python - How to write a list to a file?
- Read 2 files line by line alternatively
- Retrieve table names from Oracle queries
- Right pad a string or a number with zero
- Scope of the Perl special variables $1 to $9
- sed - 10 examples to print lines from a file
- sed - 25 examples to delete a line or pattern in a file
- sed - 20 examples to remove / delete characters from a file
- sed - 10 examples to replace / delete / print lines of CSV file
- sed - Include or Append a line to a file
- sed - Read from a file or write into a file
- sed - Replace or substitute file contents - Part 2
- sed - Replace or substitute file contents
- sed - Selective printing
- Shell - Read a text or CSV file and extract data
- Shell Script - How to dump a Oracle table into a CSV file?
- A Shell Script to do shell scripting faster
- Shell script to send birthday reminder e-mails
- Shell Scripts
- Soft Links & Hard Links - All about Inodes - Part 2
- sqlplus - Access multiple query results from shell
- What is the use of sticky bit in Linux?
- 5 examples to extract substring in bash / ksh93 shell
- Swap every 2 lines in a file
- typeset - arithmetic operations
- Unix File Descriptors
- User Account & Shell
- What is CDPATH ?
- What is .exrc file for?
- What is a process in UNIX / Linux?
- What is a profile file?
- What is sourcing a file?
- what is SUID?
- What is the time command in Linux for?
- What is umask?
- What is UNIX time?